World Religions
Events · 136
- c. 2500-1900 BCEHistory of Hinduism
The Indus Valley Civilization Leaves an Unreadable Religion
Before any text now called Hindu existed, the cities of the Indus Valley Civilization, centered on Mohenjo-daro and Harappa in the modern Pakistan-India border region, built a sophisticated urban culture whose religious life remains genuinely unknown. No temples, palaces, royal statuary, or named rulers survive from the sites, which by itself sets the Indus cities apart from other early urban civilizations. Excavators found stone seals showing a horned figure seated among animals, later nicknamed a possible Mother Goddess consort, along with female figurines that may point to fertility worship, and a large civic tank at Mohenjo-daro called the Great Bath, which may have served ritual purification or may simply have been a public pool. Because the Indus script has never been deciphered, none of these objects come with an explanatory text, and historians are careful to label every interpretation of Indus religion as conjecture rather than fact.
Reputable source · 2 sources - c. 1208 BCEHistory of Judaism
Israel Appears in the Historical Record
The Egyptian pharaoh Merneptah left a victory inscription, now called the Merneptah Stele, boasting of campaigns against Canaan around 1208 BCE. Its final lines name a people called Israel among the groups defeated, the earliest known reference to Israel outside the Hebrew Bible. Around the same period, archaeological surveys have found hundreds of new small settlements appearing in the highlands of Canaan, in Samaria, Ephraim, Benjamin, and Galilee, where population had been sparse. World History Encyclopedia notes that the biblical account of a military conquest of Canaan under Joshua does not match the archaeological evidence cleanly: some scholars argue for a takeover, others that these highland settlers were largely local Canaanite pastoralists who coalesced into a distinct people over generations rather than outside conquerors.
Reputable source · 2 sources - c. 1500-1000 BCE (contested)History of Hinduism
The Vedas Establish a Ritual Religion of Fire and Sacrifice
The oldest layer of what became Hinduism took shape as the religion of Sanskrit-speaking peoples whose hymns were later collected into the Rig Veda and three companion Vedas, the Sama, Yajur, and Atharva. Vedic religion centered on fire sacrifice conducted by Brahmin priests, addressed to sky and nature gods including Indra, Agni, and Rudra, the deity later identified with Shiva, and involved the ritual drink soma. Each Veda was later divided into layers: Samhitas of hymns, Brahmanas explaining the rituals, Aranyakas for forest hermits, and Upanishads, philosophical texts appended at the end. The entire corpus was transmitted orally, memorized with word-for-word phonetic precision across generations by priestly lineages, and was not committed to writing until long after its composition. Historians place the Rig Veda's core composition around 1500 to 1000 BCE, though how Sanskrit-speaking Vedic culture arrived in the Indus region, whether by migration from Central Asia or as an indigenous development, remains one of the most contested questions in South Asian history.
Reputable source · 2 sources - c. 1020-931 BCEHistory of Judaism
Saul, David, and Solomon: The Debated United Monarchy
According to the Hebrew Bible, Saul became Israel's first king around 1020 BCE, succeeded by David, who conquered Jerusalem and made it his capital, and then by Solomon, who built the First Temple there. World History Encyclopedia describes this as a traditional golden age of unity and prosperity. For decades scholars debated whether any of it happened at all: a school of thought known as biblical minimalism argued the united monarchy was a later literary invention with no real archaeological footprint. The 1993 discovery of the Tel Dan Stele, a 9th-century BCE Aramaic inscription boasting of victory over a king of the House of David, gave the first evidence from outside the Bible that a Davidic dynasty existed. Excavations at Khirbet Qeiyafa and in Jerusalem have since persuaded many scholars that some form of centralized rule existed in this period, though its size and power compared to the biblical description remain contested.
Reputable source · 2 sources - c. 10th century BCEHistory of Judaism
Solomon Builds the First Temple
The Hebrew Bible describes King Solomon building a temple in Jerusalem on Mount Moriah, on a threshing floor his father David had purchased, with construction detailed at length in the Book of Kings and taking about seven years to complete. World History Encyclopedia notes the description is drawn almost entirely from the biblical text itself: no positively identified physical remains of Solomon's Temple have been found, in large part because the Temple Mount site remains too religiously and politically sensitive for the kind of excavation that could settle the question. The building stood, according to the biblical chronology, until Babylonian forces destroyed it in 586 BCE.
Primary source · 2 sources - 722 BCEHistory of Judaism
Assyria Conquers the Northern Kingdom and Scatters the Ten Tribes
After Solomon's kingdom split around 931 BCE into a northern Kingdom of Israel and a southern Kingdom of Judah, the northern kingdom fell first. The Assyrian king Shalmaneser V besieged the Israelite capital of Samaria, and his successor Sargon II completed its capture in 722 BCE. World History Encyclopedia records that Sargon's own inscriptions boast of deporting 27,290 Israelites, resettling them across the Assyrian Empire from Anatolia to the Zagros Mountains. The biblical account in 2 Kings states the Assyrian king deported the Israelites to Halah, the river Habor, the river Gozan, and the towns of Media. TheTorah.com, a project of academic biblical scholars, notes the Assyrian deportation policy deliberately scattered deportees across the empire to dissolve their identity, unlike the later Babylonian exile of Judah, whose deportees were kept together and eventually returned. The scattered Israelites of the north never returned as a body and became known in later tradition as the Ten Lost Tribes.
Reputable source · 2 sources - c. 800-500 BCE (earliest Upanishads)History of Hinduism
The Upanishads Turn Ritual Religion Into a Search for the Self
Appended to the end of each of the four Vedas, the Upanishads shifted Vedic religion's center of gravity from external ritual toward internal philosophical inquiry. The earliest six Upanishads date to roughly 800 to 500 BCE, with later texts composed afterward; there are between 180 and 200 Upanishads in total, of which 13 are considered principal. Their central claim is that Brahman, the supreme reality that both created and is the universe, is identical with Atman, an individual's innermost self, a unity expressed in the phrase Tat Tvam Asi, "Thou Art That." The Upanishads present this insight through narrative dialogues between teachers and students rather than through ritual instruction, and because they sit at the conceptual end of the Vedic corpus, they came to be called Vedanta, "the end of the Vedas." They also gave systematic form to the linked concepts of karma, action and its consequences, samsara, the resulting cycle of rebirth, and moksha, liberation from that cycle through self-realization that unites Atman with Brahman.
Reputable source · 2 sources - 586 BCEHistory of Judaism
Nebuchadnezzar Destroys Jerusalem and the First Temple
The Babylonian king Nebuchadnezzar II first besieged Jerusalem in 598/597 BCE, deporting the city's elite back to Babylon in what became known as the Babylonian Captivity. When King Zedekiah, installed as a Babylonian client, rebelled again, Nebuchadnezzar's forces returned and this time destroyed the city outright: in 586 BCE they burned the First Temple and razed Jerusalem's walls. World History Encyclopedia describes the destruction bluntly, as the literal demolition of the house the Israelites believed their god inhabited. Large portions of Judah's population, though not the whole of it, were deported to Babylonia, ending the kingdom of Judah as an independent state.
Reputable source · 2 sources - c. 563 BCE (traditional; scholars debate the century)History of Buddhism
Siddhartha Gautama Is Born Into the Shakya Clan
Buddhist tradition holds that Siddhartha Gautama, the man who would become the Buddha, was born in Lumbini, in what is now Nepal, the son of a Shakya clan chief. The Pali canon's own account of his birth mixes biography with legend: the seer Asita is said to have declared that the child, "the Bodhisatta, the foremost jewel, unequaled, has been born for welfare and ease in the human world, in a town in the Sakyan countryside, Lumbini." He was raised in comfort, with three separate palaces built for the cold, hot, and rainy seasons, shielded by his father from suffering and old age. World History Encyclopedia's chronology places his traditional dates at roughly 563 to 483 BCE, a dating modern scholars have both used and challenged.
Primary source · 2 sources - c. 538-515 BCEHistory of Judaism
Cyrus of Persia Ends the Exile and the Second Temple Is Built
In 539 BCE the Persian king Cyrus the Great conquered Babylon, and the Book of Ezra records that Cyrus issued a proclamation the following year authorizing exiled Jews to return to Judah and rebuild the Temple in Jerusalem, saying his god had charged him with building a house of God there. Returns happened in waves under leaders including Sheshbazzar and Zerubbabel, who oversaw the Temple's reconstruction, completed by 515 BCE. World History Encyclopedia calls this the start of the Second Temple Period. Later reformers Ezra and Nehemiah, arriving from Babylon in the following century, rebuilt Jerusalem's walls and pushed through religious reforms centered on Torah observance.
Primary source · 2 sources - Traditional biography, age 29History of Buddhism
The Four Sights and the Great Renunciation
According to the traditional biography, Siddhartha lived shielded from hardship inside his father's palaces until, on a series of chariot rides outside the walls, he encountered what tradition calls the Four Sights: an aged man, a sick man, a dead man, and a wandering religious ascetic. Confronting old age, illness, and death for what the story presents as the first time, he realized that he, too, could become sick, would grow old, would die, and would lose everything he loved. The Pali canon records his own account of the decision that followed: "having shaved off my hair and beard...I put on the ochre robe and went forth from the home life into homelessness," leaving behind his sleeping wife and infant son the night he departed.
Primary source · 2 sources - Traditional biography, shortly after enlightenmentHistory of Buddhism
The First Sermon Sets the Wheel of Dhamma in Motion
After his awakening, the Buddha traveled to the Deer Park at Isipatana, near Varanasi, and delivered his first sermon to five ascetics who had previously practiced austerities alongside him. In it he laid out the Four Noble Truths: that life involves stress and suffering, that suffering arises from craving, that craving can cease, and that the way to end it is the Noble Eightfold Path of right view, resolve, speech, action, livelihood, effort, mindfulness, and concentration. The Pali canon records that one of the five, Kondanna, immediately grasped the teaching and gained awakening on the spot, earning the title Anna-Kondanna, "Kondanna who knows." The five ascetics became the Buddha's first ordained followers, founding the sangha, the community of monks that would carry his teaching forward.
Primary source · 2 sources - Traditional biographyHistory of Buddhism
Enlightenment Under the Bodhi Tree
After leaving home, Siddhartha studied under established meditation teachers and then practiced extreme physical austerity, near-starvation among them, for years without reaching the answer he sought. Tradition holds that a milkmaid named Sujata found him in the woods, mistook him for a tree spirit because he had become so emaciated, and offered him rice milk that revived him and ended his asceticism. He then went to Bodh Gaya, seated himself beneath a Bodhi tree, and vowed to remain there until he understood how to live without suffering. Buddhist tradition calls the balance he found between indulgence and self-mortification the middle way, and this is where he reached the awakening that made him the Buddha, going on, by tradition, to teach for 45 years before his death at 80.
Primary source · 2 sources - c. 5th century BCEHistory of Hinduism
The Ramayana Casts Rama as an Incarnation of Vishnu
Composed in Sanskrit by the sage Valmiki around the 5th century BCE, the Ramayana tells of the prince Rama, exiled from his kingdom, whose wife Sita is abducted by the demon king Ravana, and who wages war with an army of allies, including the monkey-god Hanuman, to win her back. World History Encyclopedia identifies Rama as the seventh avatar, or earthly incarnation, of the god Vishnu, which elevates the poem beyond literature into scripture: Rama's adherence to dharma even at great personal cost, and Sita's fidelity, became moral templates held up across Hindu religious teaching for the following two and a half thousand years. Like the Mahabharata, the epic's exact historical dating is uncertain and the events it describes are treated by historians as legendary rather than factual, a status the tradition itself does not always share.
Reputable source · 2 sources - Proposed deaths range from 486 to 368 BCEHistory of Buddhism
The Buddha's Dates Remain a Scholarly Dispute
For most of the 20th century, scholars accepted that the Buddha died within a few years of 480 BCE. That consensus collapsed once historians realized the dates used for the Mauryan emperor Ashoka in the long Sri Lankan chronology were miscalculated by roughly 60 to 70 years, since Ashoka's reign is one of the few fixed points in early Indian history, cross-checked against Greek sources naming his contemporaries. Recalculating from a corrected Ashoka pushed the Buddha's death to somewhere around 486 BCE by one method, while a separate Indian short chronology puts it as late as 368 BCE. A modern academic survey of experts found proposed dates for the Buddha's death ranging all the way from 486 to 261 BCE, with most historians now favoring a date somewhere in the 5th century BCE rather than the traditional 6th century.
Reputable source · 2 sources - c. 400 BCE (traditional; convened shortly after the Buddha's death)History of Buddhism
The First Council Compiles the Buddha's Teachings
Following the Buddha's death, his followers convened the First Council to fix the content of his teaching before living memory of it faded. World History Encyclopedia dates this gathering to around 400 BCE, when the core teachings and the rules of monastic discipline were decided upon and codified through collective recitation rather than by writing anything down. Tradition holds the council was attended by senior monks who had personally heard the Buddha teach, working from memory to agree on a shared, recitable version of his doctrine (the Dhamma) and the rules governing monastic life (the Vinaya).
Reputable source · 2 sources - c. 383 BCE (debated)History of Buddhism
The Second Council Splits the Sangha
Roughly two decades after the First Council, disagreement over ten specific points of monastic discipline produced Buddhism's first major split. According to the standard account, the Sthaviravada school insisted on strict observance of the disputed rules, which the majority of the assembled monks rejected. The result was a division: either the Sthaviravada left the wider community, or the majority distanced themselves from the Sthaviravada and began calling themselves Mahasanghika, "the great assembly." World History Encyclopedia is direct that every later Buddhist school traces back to this rupture: "All the later schools then developed from this first schism."
Reputable source · 2 sources - c. 400 BCE-200 CEHistory of Hinduism
The Bhagavad Gita Is Composed Within the Mahabharata
The Bhagavad Gita, "Song of God," is a philosophical dialogue embedded within the vast epic Mahabharata, itself traditionally composed by the sage Vyasa and generally thought to date to the 4th century BCE or earlier at 100,000 verses, the longest epic poem ever written. Scholars date the Gita's own composition to somewhere between the 5th and 3rd centuries BCE if it was original to the epic, or as late as the 2nd century BCE if it was inserted afterward; World History Encyclopedia's own site timeline gives a still broader window of 400 BCE to 200 CE. In the text, the god Krishna, serving as charioteer to the warrior Arjuna on the eve of a civil war, persuades a paralyzed Arjuna to fight by teaching that dharma, one's inescapable duty, must be performed without attachment to its results, and that the soul is immortal, unborn and undying, so that there is, in the text's own words, neither slayer nor slain. The Gita presents three paths to liberation, jnana (knowledge), karma (selfless action), and bhakti (devotion), the last of which would become the dominant mode of popular Hindu practice in later centuries.
Reputable source · 2 sources - c. 261 BCEHistory of Buddhism
Ashoka Converts After the Kalinga War
Ashoka the Great, who ruled the Mauryan Empire from 268 to 232 BCE and whose territory stretched from modern-day Iran across nearly the entire Indian subcontinent, conquered the kingdom of Kalinga about eight years into his reign. His own 13th Rock Edict records the human cost in his own words: "One hundred and fifty thousand were deported, one hundred thousand were killed and many more died." Walking the battlefield afterward, Ashoka experienced what World History Encyclopedia calls a deep change of heart, and the edict itself records his reaction: "Now Beloved-of-the-Gods feels deep remorse for having conquered the Kalingas." He turned toward Buddhism and toward what he called dhamma, ethical rule, declaring in the same edict that "conquest by Dhamma" was the best form of conquest, and had his new principles carved into stone edicts and pillars across his empire.
Primary source · 2 sources - c. 250 BCEHistory of Buddhism
Ashoka Sends Missionaries Across Asia
Having embraced Buddhism after Kalinga, Ashoka did not keep it within his own borders. World History Encyclopedia records that he sent Buddhist missionaries to other regions and nations, including modern-day Sri Lanka, China, Thailand, and Greece, an effort credited with establishing Buddhism as a major world religion rather than a strictly Indian one. His own son Mahinda headed the mission to Sri Lanka, where tradition holds he converted King Devanampiya Tissa and the Sri Lankan royal court, planting a Buddhist tradition on the island that would endure and, centuries later, send Buddhism back outward into Southeast Asia.
Reputable source · 2 sources - c. 2nd century BCE-5th century CE (schools formalized over centuries)History of Hinduism
Six Orthodox Schools of Philosophy Systematize Hindu Thought
Over the centuries following the Upanishads, Hindu philosophy organized itself into six orthodox, or astika, schools of thought, so called because each accepted the authority of the Vedas even while arguing sharply different metaphysical positions. The Stanford Encyclopedia of Philosophy names them as Mimamsa, Vedanta, Nyaya, Vaisheshika, Samkhya, and Yoga, an unbroken tradition of later authors expanding and carrying forward the arguments of their predecessors. Samkhya, one of the oldest, set out a dualism of consciousness and matter; Yoga paired Samkhya's metaphysics with meditative practice; Nyaya developed formal logic and theories of valid knowledge; Vaisheshika pursued a theory of atomism; Purva Mimamsa defended the authority of Vedic ritual; and Vedanta, focused on the Upanishads rather than the earlier ritual portions of the Vedas, would centuries later produce Adi Shankara's influential non-dualism. Each school produced its own root texts, commentaries, and debate traditions, and philosophers within one school routinely argued against the others across generations.
Primary source · 2 sources - 167-164 BCEHistory of Judaism
The Maccabean Revolt Against Forced Hellenization
After Alexander the Great's conquests brought Judea under Greek-speaking rule, first the Ptolemies and then the Seleucid Empire, the Seleucid king Antiochus IV Epiphanes pushed an aggressive program of Hellenization. In December 167 BCE he desecrated the Second Temple, erecting an idol on its altar and outlawing core Jewish practices including circumcision and Sabbath observance on penalty of death. A priest named Mattathias and his sons, later known as the Maccabees, led an armed revolt; his son Judah Maccabee proved a skilled military commander and retook Jerusalem. On 25 Kislev (25 December) 165 BCE the Temple was cleaned and rededicated, an event commemorated ever after as Hanukkah, and by October 164 BCE the Seleucids restored Jewish religious rights. The revolt led to the Hasmonean dynasty, a period of independent Jewish rule over Judea.
Reputable source · 2 sources - 3rd century BCE-1st century CE (discovered 1946/1947 CE)History of Judaism
A Desert Sect Writes the Dead Sea Scrolls
Second Temple Judaism was not a single, unified religion: it included competing groups such as the Pharisees, Sadducees, and Essenes. One community, generally identified with the Essenes, settled at Qumran near the Dead Sea and produced or collected the texts known today as the Dead Sea Scrolls, composed between the 3rd century BCE and the 1st century CE. The scrolls remained hidden in nearby caves until, according to the official account of Israel's Dead Sea Scrolls project, a Bedouin shepherd searching for a stray goat in 1947 found a cave containing ancient jars and, inside them, some of the oldest surviving biblical manuscripts, including a nearly complete Isaiah scroll. Further searching over the following decade recovered roughly 930 to 900-plus manuscripts from 11 caves, written in Hebrew, Aramaic, and Greek, including biblical texts, community rules, and commentary.
Primary source · 2 sources - c. 1st century BCE, building on 3rd-century-BCE rootsHistory of Buddhism
Mahayana Emerges as a Distinct Movement
Mahayana Buddhism, the Great Vehicle, developed as a distinct current sometime after the 4th century BCE schisms, closely tied to but distinct from the Mahasanghika school; World History Encyclopedia notes that around 283 BCE the Mahasanghika school itself divided over whether Mahayana's teachings were acceptable. Where older schools held that each practitioner sought enlightenment for themselves, Mahayana's central innovation was the bodhisattva ideal: "One's path toward enlightenment was not for one's benefit alone but for the whole world," and a practitioner who reached awakening was thereafter obligated to help others do the same rather than exiting the cycle of rebirth immediately. This more expansive, universalist vision of the path spread widely enough that it would eventually become the dominant form of Buddhism across China, Korea, Japan, and Tibet.
Reputable source · 2 sources - c. 29 BCE (Fourth Council)History of Buddhism
Sri Lanka Commits the Pali Canon to Writing
For roughly three centuries after the Buddha's death, his teachings had been preserved entirely through memorization and oral recitation among monks. In Sri Lanka in the first century BCE, a rebellion and invasions from south India, combined with a famine lasting about a dozen years, scattered the monastic community and threatened to break that chain of transmission. According to Access to Insight's chronology of Theravada history, this crisis is what pushed King Vattagamani to convene a Fourth Council, at which "500 reciters and scribes from the Mahavihara write down the Pali Tipitaka for the first time, on palm leaves." The surviving commentaries describe monks retreating to the coast and surviving on roots and leaves so they could keep reciting the texts, with the continuity of at least one text, the Niddesa, at one point resting on a single monk who could still recall it.
Primary source · 2 sources - c. 20/19 BCEHistory of Judaism
Herod Rebuilds the Temple Under Roman Rule
Rome absorbed Judea into its sphere of control in 63 BCE, and installed Herod the Great, a non-Hasmonean client king, to rule Judea from 37 to 4 BCE. Herod's most consequential project was a massive expansion of the Second Temple and the platform it stood on: he extended the Temple Mount to the north, west, and south, enclosed it within retaining walls including what is now known as the Western Wall, and built the Royal Stoa for public assembly on its southern end. Josephus records that ten thousand laborers and a thousand specially trained priests worked on the project, with the Temple building itself finished in about a year and a half while the surrounding porticoes took roughly eight more years, all while daily sacrifices continued uninterrupted.
Reputable source · 2 sources - c. 30-33 CEHistory of Christianity
Jesus of Nazareth Is Crucified Under Pontius Pilate
No writing survives from Jesus's own lifetime. The Yale historian Elisabeth Schussler Fiorenza's observation, that one can glimpse only the historical shadow of Jesus and that the picture depends on the lens used, sums up a real limit in the evidence: the earliest sources are Paul's letters, written roughly two decades after the events they describe, and the Gospels, composed later still. Non-Christian writers of the following century, including the Roman historian Tacitus, treated Jesus's execution as a settled historical fact rather than a live question, recording that Christus was put to death by the procurator Pontius Pilate during the reign of Tiberius. Historians broadly accept that a Jewish teacher named Jesus was executed by Roman authority in Judea in this period; the theological claims made about him and many biographical details are separate questions the historical method cannot settle.
Primary source · 2 sources - c. 46-62 CEHistory of Christianity
Paul Carries the Movement Across the Roman World
Paul, a Jew from Tarsus who had actively opposed the early Christian movement, described a conversion experience on the road to Damascus after which he began spreading the faith he had once tried to suppress. Over roughly four journeys covering an estimated 16,000 kilometers by land and sea, he founded and corresponded with Christian communities across Asia Minor and Greece, including Philippi, Thessalonica, Corinth, and Ephesus, before traveling to Rome as a prisoner appealing his case. His letters to these communities, some written directly and others likely composed by a scribe on his behalf, are the earliest surviving Christian documents, predating the written Gospels by roughly two decades. Of the thirteen New Testament letters that carry his name, scholars agree some were almost certainly written by him and debate whether he personally wrote several others, including the Pastoral Letters to Timothy and Titus, which some regard as composed by later followers writing in his name.
Reputable source · 2 sources Rome Blames the Christians for the Fire, and Nero Turns Persecution into Spectacle
After a fire devastated much of Rome in 64 CE, rumors blamed Emperor Nero himself for setting it. The historian Tacitus, writing about half a century later, recorded that Nero deflected the accusation onto Christians, a group Tacitus describes with open contempt but whose punishment he still found excessive. Those who confessed were arrested first, and their testimony led to the conviction of what Tacitus called an immense multitude, condemned less for arson than for hatred of the human race. Tacitus describes them being torn apart by dogs after being sewn into animal skins, crucified, or set alight to serve as human torches for nighttime illumination in Nero's gardens.
Primary source · 2 sources- 70 CEHistory of Judaism
Rome Destroys the Second Temple
Judea had been in open revolt against Rome since 66 CE. In April 70 CE, around Passover, the Roman general Titus besieged Jerusalem, letting pilgrims enter the city for the festival but not leave, which strained its food and water supplies while internal Jewish factions, including the Zealots, fought each other inside the walls. Roman legionnaires stormed the Temple and, according to World History Encyclopedia, set it on fire without orders from Titus; the Romans then plundered and destroyed it, sacking the Lower City as well. Titus and his father, Emperor Vespasian, celebrated the victory with a triumph in Rome, parading the Temple's spoils, including its menorah, alongside captives.
Reputable source · 2 sources - c. 65-100 CEHistory of Christianity
The Gospels Take Written Form, Decades After the Events They Describe
Most scholars hold that Mark was the earliest Gospel written, likely between 65 and 74 CE, and that Matthew and Luke both used Mark as a source, placing them roughly a decade or more later, in the 80s CE, with John usually dated last, around 90 to 100 CE. Brigham Young University's Religious Studies Center is candid that dating the synoptic Gospels is often educated guesswork, particularly for Matthew and Luke, since their dates depend on assumptions about Mark's date that cannot themselves be pinned down precisely. None of the four texts names its author within the body of the work; the traditional attributions to Matthew, Mark, Luke, and John became fixed only in the following century, once congregations that held more than one Gospel needed a way to tell them apart.
Reputable source · 2 sources - 1st century CEHistory of Buddhism
Buddhism Travels the Silk Road Into China
Buddhism reached China not by conquest or single mission but by the same Silk Road trade networks that carried silk, paper, and other goods between Central Asia and East Asia. World History Encyclopedia dates its arrival to the 1st century CE, carried by the same merchant and monastic traffic that moved goods along the route: "Buddhist monks, scholars, and merchants traveled from Gandhara and Taxila into Central Asia and China." Once in China, Buddhism was, in the words of a separate World History Encyclopedia article on Chinese religion, "welcomed in China and took its place alongside Confucianism, Taoism, and the blended folk religion as a major influence on the spiritual lives of the people," and it adapted to its new setting by incorporating existing Chinese practices such as ancestor veneration.
Reputable source · 2 sources - c. 111-113 CEHistory of Christianity
A Roman Governor Asks the Emperor How to Handle Christians
Pliny the Younger, serving as governor of Pontus and Bithynia in Asia Minor, encountered Christians for the first time in his post and was unsure how imperial law applied to them. He wrote to Emperor Trajan describing his practice: he interrogated the accused, executed those who refused three times to renounce the faith, and forwarded Roman citizens to Rome for trial. He reported that Christians met before dawn on a fixed day, sang responsively a hymn to Christ as to a god, and bound themselves by oath against theft, adultery, and breach of faith rather than to any crime; torturing two female slaves described as deaconesses, he found nothing beyond what he called a depraved and excessive superstition. Trajan's reply told Pliny not to seek Christians out, to punish those who were denounced and convicted, but to pardon anyone who recanted by worshipping the Roman gods, and to disregard anonymous accusations entirely.
Primary source · 2 sources - 132-135 CEHistory of Judaism
The Bar Kokhba Revolt Ends in Catastrophe
Roman emperor Hadrian's decision to found a pagan city, Aelia Capitolina, on the site of Jerusalem, with a temple to Jupiter where the Jewish Temple had stood, along with restrictions on circumcision, triggered a final Jewish revolt against Rome in 132 CE. Simon Bar Kokhba led a unified rebel force, briefly establishing an independent state and drawing messianic hopes. Hadrian dispatched his general Julius Severus, who adopted what World History Encyclopedia describes as a slow, brutal strategy of systematically destroying towns and villages. The rebel stronghold of Betar fell in 135 CE and Bar Kokhba was killed. The Roman historian Cassius Dio's account puts Jewish deaths at 580,000 in raids and battles alone, with 50 outposts and nearly a thousand villages razed. Hadrian permanently renamed the province Judea as Syria Palaestina and barred Jews from entering the rebuilt city of Jerusalem.
Reputable source · 2 sources - c. 2nd century CEHistory of Christianity
Second-Century Christians Argue Fiercely Over Who Jesus Was
Long before any council settled Christian doctrine, second-century Christians held sharply conflicting beliefs about basic questions: whether Jesus was fully divine, fully human, or some combination, and what kind of body he had. Marcion, an influential teacher eventually declared a heretic, argued for two separate gods, a harsh creator god of Jewish scripture and a higher god revealed uniquely through Jesus, and edited his own version of Luke's Gospel to remove material he thought contaminated by Jewish influence. Valentinus and other Gnostic teachers taught that salvation came through secret knowledge of the divine rather than through the death and resurrection central to what became mainstream Christian teaching. Brigham Young University's Religious Studies Center describes the category of Christian in this period as capacious, encompassing a genuine variety of beliefs and practices that varied by region.
Reputable source · 2 sources - 1st-3rd century CEHistory of Judaism
Rabbinic Judaism Rises From the Temple's Ashes
With the Temple destroyed in 70 CE and its priesthood without a function, a group of sages gathered at Yavneh under Yohanan ben Zakkai began compiling and organizing centuries of oral legal tradition. This process culminated around 200 CE when Rabbi Judah HaNasi compiled the Mishnah, the foundational text of rabbinic law, drawing on generations of teachings and organizing them into six orders covering everything from agriculture to ritual purity. Rutgers University's Bildner Center describes the rabbis of this period as working to present themselves as heirs to the biblical tradition while distinguishing themselves from competing Jewish groups that had survived the Temple's fall. Further debate and commentary on the Mishnah, compiled over subsequent centuries in both Babylonia and the land of Israel, produced the Talmud.
Primary source · 2 sources - 303-311 CEHistory of Christianity
Diocletian Launches the Empire's Last and Harshest Persecution
In February 303 CE, Emperor Diocletian ordered a newly built church at Nicomedia destroyed and issued the first of four edicts against Christians, commanding that churches be razed, scriptures burned by fire, and Christians holding positions of honor stripped of them, with Christian household slaves losing any prospect of freedom. Later edicts under Diocletian and his co-emperor Galerius ordered the imprisonment of clergy and, eventually, required all subjects, including women and children, to offer sacrifice to the Roman gods on pain of punishment. The persecution, the empire's most systematic and geographically widespread against Christians, continued under different regional emperors with varying severity until Galerius issued an edict of toleration in 311 CE, shortly before his death, followed two years later by Constantine and Licinius's Edict of Milan.
Primary source · 2 sources - October 28, 312 CEHistory of Christianity
Constantine Sees a Sign Before Battle and Turns the Empire Toward Christianity
Before defeating his rival Maxentius at the Battle of the Milvian Bridge outside Rome on October 28, 312 CE, Constantine reported a sign that he credited with his victory. The bishop and historian Eusebius, writing decades later, described Constantine seeing a cross of light above the sun bearing the words conquer by this, followed that night by a dream in which Christ told him to make a military standard from the same symbol. The earlier writer Lactantius, who had direct contact with Constantine, described only a dream rather than a daytime vision. The Christian History Institute is direct that the truth of either account cannot be verified independently, though Constantine's subsequent decades of consistent favor toward the Christian church, including restoring confiscated church property, are not in doubt regardless of what happened the night before the battle.
Primary source · 2 sources - February 313 CEHistory of Christianity
The Edict of Milan Ends Christianity's Legal Persecution
Meeting in Milan in February 313 CE, the western emperor Constantine and the eastern emperor Licinius agreed on a policy of religious toleration across the Roman Empire, building on an earlier toleration edict issued by Galerius in 311 CE. The agreement, recorded in a letter Licinius sent to provincial governors, stated that Christians and everyone else should have full authority to observe whatever religion each preferred, so that no one should be denied the chance to devote himself to the religion he judged best suited to himself. The edict also ordered the restoration of property confiscated from Christians during the recent persecution, including places of worship, at public expense.
Primary source · 2 sources - 325 CEHistory of Christianity
The Council of Nicaea Writes the First Creed
Constantine convened bishops from across the empire at Nicaea in 325 CE to resolve a dispute that had split the church: the Alexandrian priest Arius taught that Christ, as the Son, was created by God the Father and therefore not equal to him or co-eternal, a position most bishops at the council rejected. The council produced the Nicene Creed, declaring belief in Christ as of one substance with the Father, begotten not made, and formally anathematizing anyone who taught that the Son was created or of a different substance from the Father. The council also issued twenty canons on church discipline, covering matters from clerical conduct to the standing of bishops.
Primary source · 2 sources - February 27, 380 CEHistory of Christianity
Theodosius Makes Nicene Christianity the Empire's Official Religion
Emperor Theodosius I, together with co-emperors Gratian and Valentinian II, issued an edict in 380 CE commanding that all peoples under their rule should hold to the religion handed down by the apostle Peter to the Romans, professed by Pope Damasus and by Peter, bishop of Alexandria, and affirming belief in the Father, Son, and Holy Spirit as equal in majesty within a single Trinity. The edict, recorded in the Theodosian legal code, named this Nicene position the only faith entitled to be called Catholic and threatened those who dissented with what it called the judgment of divine condemnation, later followed by concrete legal penalties against groups like the Arians. Where the Edict of Milan in 313 CE had granted toleration to all religions, this edict went further, establishing a single specific Christian creed as the empire's law.
Primary source · 2 sources - c. 4th century BCE-1000 CE (composed and compiled over centuries)History of Hinduism
The Puranas Make Hindu Mythology Accessible to Everyone
The Puranas are a body of Sanskrit-verse texts, eighteen Maha-puranas and eighteen minor Upapuranas comprising more than 400,000 verses combined, that Columbia University's South Asia collections describe as ranging in composition from the 4th century BCE to about 1000 CE, with the bulk of surviving material coalescing during and after the Gupta Empire of the 4th to 6th centuries CE. Their special subject, in the words of UCLA's South Asia program, is the powers and works of the gods: genealogies of gods and kings, cosmology, sacred geography, and stories of Vishnu, Shiva, and the goddess Devi, with six of the eighteen major Puranas centered on each. Unlike the Vedas, whose study was historically restricted to the twice-born upper varnas, the Puranas were, in UCLA's phrasing, accessible to everyone, including women and members of the lowest social order, and their stories entered what the same source calls the common currency of popular Hinduism.
Reputable source · 2 sources - 413-426 CEHistory of Christianity
Augustine Answers Rome's Fall With Two Cities
When Alaric's Visigoths sacked Rome in August 410 CE, the first time the city had fallen to a foreign army in nearly eight hundred years, critics blamed the disaster on Rome's abandonment of its old gods for Christianity. Augustine, bishop of Hippo in North Africa, spent over a decade, from 413 to 426 CE, answering that charge in The City of God, arguing that two cities have been formed by two loves: the earthly city by love of self carried to contempt of God, and the heavenly city by love of God carried to contempt of self. Augustine argued the earthly city, built on human glory and power, was inherently unstable and prone to the wars and conflict that had always afflicted it long before Christianity existed, while the heavenly city's citizens lived as strangers within earthly kingdoms, bound instead to an eternal home outside history's fluctuations.
Primary source · 2 sources - c. 427-1200 CEHistory of Buddhism
Nalanda Becomes Buddhism's Great International University
Nalanda, founded under the patronage of the Gupta Empire in the 5th century CE, grew into the largest and most influential Buddhist monastic university in the ancient world, operating continuously from roughly 300 to 1200 CE in Magadha, in what is now the Indian state of Bihar. World History Encyclopedia records that at its height Nalanda had around 10,000 students, drawn not only from across India but from China, Korea, Tibet, and Southeast Asia, taught by a comparably large body of resident scholars. Xuanzang, the Chinese pilgrim monk, studied there for years under Silabhadra, the monastery's head, and his own account of his time at Nalanda remains one of the fullest surviving descriptions of how the institution actually functioned as a center of Buddhist philosophy, logic, grammar, and debate.
Reputable source · 2 sources - c. 4th-6th century CEHistory of Hinduism
Vishnu, Shiva, and Devi Emerge as the Faces of Puranic Hinduism
By the Gupta era, the diffuse pantheon of the Vedic hymns had consolidated around three major devotional currents that still define Hindu practice: Vaishnavism, centered on Vishnu as preserver of the universe, worshipped through avatars including Rama and Krishna; Shaivism, centered on Shiva as destroyer, a figure World History Encyclopedia traces back to Rudra, a minor storm god named in the Rig Veda around 1500 to 1100 BCE; and Shaktism, centered on Devi, the Great Goddess, described as an all-embracing Mother Goddess first worshipped in prehistoric India and assimilated into the Vedic pantheon as Shakti, the feminine power of Shiva. Later Hindu theology grouped Brahma the creator, Vishnu the preserver, and Shiva the destroyer into a single trimurti, or trinity, though in practice most Hindus have historically aligned primarily with either Vaishnavism, Shaivism, or Shaktism rather than worshipping all three equally.
Reputable source · 2 sources - 451 CEHistory of Christianity
The Council of Chalcedon Defines Christ's Two Natures, and Splits the Church Doing It
The Fourth Ecumenical Council, meeting at Chalcedon in 451 CE, tried to settle a dispute over how Christ's divine and human natures related to each other, rejecting both Nestorius's teaching of two separate persons in Christ and Eutyches's opposite claim that Christ had only a single, divine nature after the incarnation. The council's Definition of Faith declared Christ to be acknowledged in two natures, without confusion, without change, without division, without separation, united in one person and subsistence while each nature kept its own distinct properties. Large areas of the Christian East, including the Coptic church in Egypt and the church in Ethiopia, rejected this formula and broke communion with Constantinople and Rome, forming what are now called the Oriental Orthodox churches, a division that persists today.
Primary source · 2 sources - c. 320-550 CE (Gupta period)History of Hinduism
The Gupta Dynasty Builds the First Free-Standing Hindu Temples
During the Gupta period, dated by World History Encyclopedia to roughly 320 to 550 CE and remembered as a golden age of ancient India in art and architecture, Hindu worship acquired the building type that has housed it ever since: the free-standing stone temple. Earlier Hindu sacred sites had been rock-cut shrines carved into cliffs; the Guptas were, in the encyclopedia's words, the first dynasty to build permanent free-standing Hindu temples, beginning a long tradition of Indian temple architecture. One of the most complete survivors is the brick temple at Bhitargaon, dated to the late 5th century CE, which the World History Encyclopedia timeline of Hinduism places at around 480 to 500 CE. These early temples established the core plan of a small sanctum, the garbhagriha or womb-chamber, housing the deity's image, over which later architects would raise the towering spires of the northern Nagara and southern Dravida styles.
Reputable source · 2 sources - c. 500 CEHistory of Judaism
The Babylonian Talmud Is Completed
After the Mishnah was compiled around 200 CE, generations of rabbis in the academies of Babylonia continued debating, expanding, and applying its rulings to new circumstances; this body of commentary and debate is known as the Gemara. The Center for Online Judaic Studies describes the process as spanning roughly three centuries from the Mishnah's completion to the Talmud's own completion, with tradition crediting the sage Rav Ashi and, after his death, Ravina as the final compilers of the Babylonian Talmud around 500 CE. The combined Mishnah and Gemara together form the Talmud, and the Babylonian version, produced in the Jewish academies of Sura and Pumbedita, became more authoritative in later Jewish practice than the earlier, shorter Jerusalem Talmud compiled in the land of Israel.
Primary source · 2 sources - c. 530 CEHistory of Christianity
Benedict Writes a Rule and Founds Western Monasticism's Template
Benedict of Nursia, born around 480 CE, began his own monastic life at Subiaco before founding a monastery at Monte Cassino in 529 CE, where around 530 CE he composed the Rule of Saint Benedict, a set of guidelines governing communal monastic life drawing on earlier, less organized monastic traditions. The Rule opens by describing the monastery as a school for the Lord's service, organized so that nothing in it would be excessively severe or burdensome, and it structured each day around manual labor, private reading, and a fixed cycle of communal prayer, from Matins before dawn through Compline at nightfall. Monks bound themselves to the monastery for life under vows of poverty, chastity, and obedience to an abbot elected by the community, and the Rule spread gradually to other monastic houses across Western Europe over the following centuries, eventually becoming the dominant model for Western monasticism.
Primary source · 2 sources - 538 or 552 CE (traditional dates)History of Buddhism
Buddhism Reaches Japan Through Korea
Buddhism was introduced into Japan in either 538 or 552 CE, by traditional dating, arriving from the Korean kingdom of Baekje rather than directly from China or India. It received official government support in 587 CE under Emperor Yomei, and its most influential early champion was Prince Shotoku (574-622 CE), who ruled Japan as regent from 594 CE until his death. Shotoku wrote a Seventeen Article Constitution in 604 CE that built Buddhist principles into Japanese governance, and built 46 Buddhist monasteries and temples during his reign, including the still-standing Horyuji. Later Chinese contact deepened Japan's exposure to Buddhist variety: the monk Saicho visited Tang China in 804 CE and studied several branches of Buddhism, including Zen and Tiantai, bringing that range of practice back to Japan.
Reputable source · 2 sources - c. late 6th century CEThe Rise of Islam
Mecca Thrives as a Trading and Pilgrimage Town
Before Islam, Mecca sat on the Arabian Peninsula's caravan network linking Yemen's incense-producing south to Syria and the Mediterranean. The Quraysh tribe, who controlled the town, ran it as a commercial city-state with trade ties reaching Ethiopia and the Byzantine world. At the center of Mecca stood the Kaaba, a cube-shaped shrine that pre-Islamic Arabs filled with idols representing tribal deities, the chief one for the Quraysh being Hubal. Once a year Bedouin tribes called a truce and converged on Mecca on pilgrimage to honor these idols and drink from the Zamzam well, a season that doubled as a major trading fair. Muhammad's own clan, Hashim, held the hereditary duty of supplying water to these pilgrims.
Reputable source · 2 sources - 597 CEHistory of Christianity
Pope Gregory the Great Sends Missionaries to Convert England
Before becoming pope, Gregory the Great had already asked Rome's bishop to send missionaries to Britain to convert the English; once elected pope himself, he acted on that same interest and sent a monk named Augustine with a group of companions to the kingdom of Kent in 597 CE, where King Ethelbert received them. Gregory's instructions to the mission, recorded in a letter to the missionary Mellitus, told Augustine not to destroy English temples but only the idols inside them, and to purify the buildings with holy water and install altars and relics of the saints there instead, reasoning that the people would abandon their old error in a place already dear and familiar to them. The mission succeeded in converting Ethelbert and established a permanent Christian foothold in England, with Augustine becoming the first Archbishop of Canterbury.
Primary source · 2 sources - c. 6th-7th century CEHistory of Buddhism
Chan Buddhism Takes Shape in China
Chan Buddhism developed in China as a distinctly meditation-centered school within the broader Mahayana tradition, emphasizing direct mind-training over textual study, and it would later cross to Japan as Zen. Its transmission there did not happen all at once: Zen was introduced into Japan centuries before it became a major force, only becoming firmly established in the thirteenth century, when Japan's warrior class began to favor its disciplined, austerity-focused practice. Two Japanese monks who had trained in Chan in Song-dynasty China are traditionally credited as founders of Japan's two main Zen lineages: Eisai (1141-1215), who founded the Rinzai school and Japan's first Zen temple in Kyushu, and Dogen (1200-1253), founder of the Soto school, who studied under Chan teachers in China before returning to establish his own line in Japan.
Reputable source · 2 sources - 6th-17th century CEHistory of Hinduism
The Bhakti Movement Puts Devotion Ahead of Priests and Caste
What became known as the Bhakti movement, personal devotional love for a chosen deity pursued without dependence on Brahmin ritual intermediaries, had its genesis in the south of India in the 6th century CE, spread through the poetry of Vaishnava Alvars and Shaiva Nayanars in Tamil-speaking regions, then gained momentum in central-western India from around the 12th century before moving north, reaching its peak between roughly the 15th and 17th centuries. Its poet-saints wrote in regional vernacular languages rather than Sanskrit, reaching audiences the Vedic tradition had formally excluded, and many were women or came from low-caste backgrounds: figures such as Mirabai, a 16th-century princess turned wandering devotee of Krishna, and Kabir, a 15th-century weaver-poet who blended Hindu and Islamic devotional language and rejected both religions' external rituals in favor of formless divine love, became some of the most widely quoted religious voices in Indian history.
General source · 2 sources - c. 610 CEThe Rise of Islam
Muhammad Receives His First Revelation on Mount Hira
By his late thirties, Muhammad had taken to retreating to a cave called Hira on Jabal al-Nour, a mountain near Mecca. According to Islamic tradition, in about 610 CE a figure identifying itself as the angel Gabriel appeared to him there with the first verses of what Muslims believe is a revelation from God. Muhammad was reportedly terrified and ran home shaking, and it was his wife Khadija who calmed him and took him to her cousin Waraqa, a Christian scholar who told Muhammad he believed he had received a genuine prophetic call. Khadija became his first convert, and his close friend Abu Bakr became the first male convert.
Reputable source · 2 sources - 616-619 CEThe Rise of Islam
Meccan Persecution Drives Muhammad's Followers Into Exile
As Muhammad's preaching in Mecca drew more converts after 613 CE, rival clans of the Quraysh responded with bribery, physical torture, and a boycott of Muhammad's own Hashim clan from 616 to 619 CE meant to force it to withdraw its protection. Some of the earliest Muslims left Mecca for Abyssinia (modern Ethiopia) as early as 615 CE to escape the pressure. In 619 CE, remembered afterward as the Year of Sorrow, Muhammad lost both his wife Khadija and his uncle and protector Abu Talib, leaving him without his clan's shield against hostile Quraysh leaders like the new clan head Abu Lahab. That same year Muhammad traveled to the town of Taif seeking support and was driven out by a mob of street children who pelted him with stones.
Reputable source · 2 sources - 622 CEThe Rise of Islam
The Hijra: Muhammad Migrates to Medina
In 621 CE, citizens of the oasis town of Yathrib, impressed by Muhammad's message, invited him to relocate there and act as an arbiter and leader for the town's feuding tribes. Muhammad sent his followers ahead in small groups, then narrowly escaped a Meccan plot on his life and fled with his companion Abu Bakr, reaching Yathrib in 622 CE after evading pursuers. The town was renamed Medina, short for Madinat al-Nabi, the City of the Prophet, and the migration itself, the Hijra, became year zero of the Islamic lunar calendar. In Medina, Muhammad drew up an agreement among the Muslim emigrants, the local converts, and Medina's Jewish tribes, that set out mutual obligations and made Muhammad the community's arbiter.
Reputable source · 2 sources - 622-624 CEThe Rise of Islam
Muhammad Unifies Medina Under a New Charter
After arriving in Medina, Muhammad moved to end the town's long-running blood feuds by drawing up an agreement, remembered in Islamic tradition as the Constitution (or Charter) of Medina, that bound the Muslim emigrants from Mecca, the local converts, and Medina's Jewish tribes into a single political community with Muhammad as its final arbiter. Scholars who have studied the surviving text, preserved only in later chronicles rather than as an original document, describe it as establishing a new kind of group loyalty, an umma or community bound by shared agreement rather than blood ties, replacing the old system of clan-based vengeance. The World History Encyclopedia describes Muhammad revising the law code and unifying the city, using a mixture of persuasion and force of arms.
Reputable source · 2 sources - 624 CEThe Rise of Islam
The Battle of Badr Establishes the Medina Community
Once settled in Medina, Muhammad's followers began raiding Meccan trade caravans, and the resulting economic pressure pushed Mecca into open conflict. In 624 CE a Meccan force of roughly 1,000 men met about 313 Muslims at Badr, and the smaller Muslim army routed them, a victory Muslims attributed to divine favor. The following year, in 625 CE, the Meccans returned in greater numbers under Abu Sufyan and fought the inconclusive Battle of Uhud, in which Muhammad himself was wounded after some of his own troops broke ranks to collect battlefield plunder.
Reputable source · 2 sources - 399-414 CE (Faxian); 629-645 CE (Xuanzang)History of Buddhism
Faxian and Xuanzang Travel to India and Translate Its Texts
Between roughly 400 and 700 CE, hundreds of Chinese Buddhist monks made the journey to India to study Buddhism at its source and bring back accurate texts, and two of the most famous, Faxian and Xuanzang, left behind detailed travel accounts. Faxian traveled earlier, and his "Record of the Buddhist Kingdoms" is considered the first eyewitness account in Chinese of Buddhist practice and pilgrimage sites across Central and South Asia. Xuanzang departed Chang'an in 629 CE against an imperial ban on foreign travel, crossed the Tarim Basin and the Hindu Kush, and spent much of his 16 years abroad at Nalanda monastery, "the intellectual and spiritual center of Buddhism for many centuries." He returned to Chang'an in 645 CE to a celebratory welcome and then devoted the rest of his life to translating the Sanskrit manuscripts he had carried back into Chinese.
Primary source · 2 sources - 630 CEThe Rise of Islam
Muhammad Returns to Mecca and Destroys the Kaaba's Idols
In 628 CE, Meccans blocked Muslim pilgrims from entering the city for the Hajj, and the two sides settled the standoff with the Treaty of Hudaybiyyah, which allowed Muslims to perform pilgrimage the following year and guaranteed mutual safety. When the Meccans broke the treaty in 630 CE by backing an attack on a tribe allied with the Muslims, Muhammad marched on Mecca with a large force. The city's gates opened without a fight, and Muhammad offered amnesty to residents who took refuge in the Kaaba or in the house of the newly converted Meccan leader Abu Sufyan. He then had the idols inside and around the Kaaba destroyed and declared it a site for Islam alone, and in 632 CE he performed his final pilgrimage there, remembered as the Farewell Pilgrimage, shortly before his death.
Reputable source · 2 sources - 632 CEThe Rise of Islam
Muhammad Dies in Medina
By 632 CE Muhammad had brought most of the Arabian Peninsula's tribes into alliance with him, whether through religious conviction or political calculation. After a brief illness, he died in Medina in his own house with his wife Aisha at his side. He left no surviving sons and no explicit instructions naming a successor, a gap that immediately created uncertainty among his followers about who would lead the community next.
Reputable source · 2 sources - 636 CEThe Rise of Islam
The Battle of al-Qadisiyyah Breaks Sassanian Power in Iraq
As Rashidun raids into Sassanian Iraq escalated after 633 CE, Caliph Umar reinforced the front under Sa'd ibn Abi Waqqas to face a large Persian army led by the general Rustam Farrokhzad. At the Battle of al-Qadisiyyah in 636 CE, the outnumbered and less well-equipped Rashidun army held on through several days of fighting until Muslim cavalry slipped past the Persian lines under cover of a sandstorm and killed Rustam. His death demoralized the Persian troops, who routed despite their numbers, and the Rashidun army swept through Iraq and captured Ctesiphon, the Sassanian capital.
Reputable source · 2 sources - 20 August 636 CEThe Rise of Islam
The Battle of Yarmouk Opens Syria and the Levant to the Rashidun Caliphate
After Abu Bakr sent four divisions to raid Syria, the Rashidun forces took Damascus in 634 CE and pushed north, drawing a major Byzantine counterattack under commanders sent by Emperor Heraclius. The general Khalid ibn al-Walid withdrew his forces south beyond the Yarmouk River to make a stand there, and the two armies fought for six days starting in August 636 CE. On the climactic morning of 20 August, Khalid ordered an advance and enveloped the Byzantine line with cavalry, and the imperial troops routed with heavy losses; their field commander likely died in the fighting. Jerusalem capitulated the following year after receiving safety guarantees personally from Caliph Umar, and the Jewish population that Rome had banished from the city five centuries earlier was allowed to return.
Reputable source · 2 sources - 640-642 CEThe Rise of Islam
Amr ibn al-As Conquers Byzantine Egypt
The Rashidun commander Amr ibn al-As, who had helped lead the earlier Syrian campaign, persuaded a reluctant Caliph Umar to authorize an invasion of Byzantine Egypt, arguing that leaving it in Byzantine hands would threaten Muslim territory to the north. Reinforced by Zubayr ibn al-Awwam, Amr defeated an imperial army at Heliopolis in 640 CE, and within two years most of Egypt had fallen to the Rashidun forces. Caliph Uthman, Umar's successor, allowed regional governors including Amr more autonomy to expand their territory, and in 646 CE Rashidun and local Egyptian forces beat back a major Byzantine attempt to retake Alexandria.
Reputable source · 2 sources - c. 650 CEThe Rise of Islam
Uthman Standardizes the Quran's Text
The Quran's verses were first preserved through memorization and oral recitation, along with partial written records kept by Muhammad's companions and compiled once under Abu Bakr. As the Islamic empire expanded and the Quran came to be recited in different regional dialects, the third caliph Uthman ibn Affan grew concerned that variation in recitation would cause disputes over the text's meaning. Around 650 CE, roughly eighteen years after Muhammad's death, Uthman ordered Zayd ibn Thabit, one of Muhammad's former scribes, to produce a standardized text based on Abu Bakr's earlier compilation. Copies of this Uthmanic text were sent to major cities of the empire, and Uthman ordered other variant copies destroyed.
Reputable source · 2 sources - 656 CEThe Rise of Islam
Caliph Uthman Is Assassinated, Igniting the First Fitna
Discontent grew during Uthman's reign over his appointment of relatives from the Umayyad clan to powerful governorships, and in 656 CE rebel soldiers, many from the Egyptian garrison, murdered him in his own home in Medina. Ali ibn Abi Talib, Muhammad's cousin and son-in-law, was chosen as the fourth caliph in the chaos that followed, but Muawiya, the governor of Syria and a cousin of the slain Uthman, refused to recognize Ali's authority unless Uthman's killers were punished first. The dispute escalated into the First Fitna, the first civil war within the Islamic community, which would consume the rest of Ali's reign.
Reputable source · 2 sources - 657 CEThe Rise of Islam
The Battle of Siffin Ends in Arbitration and Deepens the Split
Ali marched his forces toward Syria to confront Muawiya directly, and the two armies clashed at Siffin in 657 CE. As the fighting turned against Muawiya's side, his advisor Amr ibn al-As, who had switched allegiance after Uthman's murder, suggested that Muawiya's soldiers raise pages of the Quran on their spears, signaling a call for arbitration instead of continued combat. The arbitration talks at Dumat al-Jandal proved inconclusive and, by some accounts, were manipulated so that Amr tricked Ali's representative into denouncing Ali's claim to the caliphate while leaving Muawiya's position untouched. The settlement enraged a faction within Ali's own camp, who broke away as the Kharijites, declaring that no sinful ruler had a right to lead and that arbitration itself was illegitimate.
Reputable source · 2 sources - 661 CEThe Rise of Islam
Ali Is Assassinated and Muawiya Founds the Umayyad Caliphate
After defeating the Kharijites in battle at Nahrawan in 659 CE, Caliph Ali continued to hold Arabia and the eastern provinces from his capital at Kufa while Muawiya controlled Syria and Egypt. In 661 CE a Kharijite assassin killed Ali in Kufa in revenge for the crackdown at Nahrawan. Ali's elder son Hasan briefly held his father's position but abdicated in Muawiya's favor in exchange for a pension, and Muawiya took the title of caliph unopposed, moving the seat of government from Medina to his existing power base at Damascus and founding the Umayyad Caliphate.
Reputable source · 2 sources - 10 October 680 CEThe Rise of Islam
The Battle of Karbala and the Death of Husayn
When Muawiya died in 680 CE and his son Yazid I succeeded him, breaking with Arabia's non-hereditary tradition of rule, Husayn ibn Ali, Muhammad's grandson through Ali and Fatimah, refused to recognize Yazid and set out from Mecca for Kufa in Iraq, where supporters had promised him backing. Yazid's governor suppressed the Kufan support before Husayn arrived, and an Umayyad force intercepted Husayn's small party, estimated at around 40 infantry and 32 cavalry against a much larger Umayyad army, at the desert plain of Karbala. After the Umayyads cut off the group's access to the Euphrates, fighting broke out on 10 October 680 CE, and Husayn's companions were surrounded and killed, including his ten-year-old nephew Qasim and several of his own sons and brothers, with Husayn among the dead.
Reputable source · 2 sources - 711 CEThe Rise of Islam
Tariq ibn Ziyad Crosses Into Iberia
By the reign of the Umayyad caliph al-Walid I, Muslim forces had already conquered Tunis and much of North Africa, converting Berber populations who then joined the armies pushing further west. In 711 CE the Berber general Tariq ibn Ziyad crossed from North Africa into the Iberian Peninsula, where he defeated the Visigothic king Roderic. Tariq was reinforced by Musa ibn Nusayr, the governor of Ifriqiya, and by the time of Caliph al-Walid's death in 715 CE the two commanders had conquered most of Visigothic Spain, including the capital Toledo. The Umayyads organized the new territory into an administrative province they called Al-Andalus.
Reputable source · 2 sources - 717-718 CEThe Rise of Islam
Greek Fire Breaks the Second Arab Siege of Constantinople
In August 717 CE, shortly after Leo III seized the Byzantine throne, an Umayyad army of about 80,000 men and a fleet of 1,800 ships under the general Maslama besieged Constantinople. The siege dragged on for a year, but the city's fortifications held, and Byzantine ships used the incendiary weapon known as Greek Fire to devastate the Arab fleet. When the Bulgar khan Tervel sent a relieving force to aid Leo, Maslama's army, already weakened by a severe winter, famine, and disease, was forced to withdraw on 15 August 718 CE.
Reputable source · 2 sources - October 732 CEThe Rise of Islam
Charles Martel Halts Umayyad Expansion at the Battle of Tours
After conquering most of Iberia, Umayyad forces based in Al-Andalus began raiding across the Pyrenees into Frankish territory as early as 712 CE. In October 732 CE, a Frankish army led by Charles Martel, the Mayor of the Palace who held the Merovingian kingdom's real power, met an invading Umayyad force in a battle fought over roughly a week somewhere between the cities of Tours and Poitiers. The Franks won a decisive victory, but the World History Encyclopedia notes that internal divisions within the Umayyad Caliphate itself, which limited its capacity to sustain the campaign, were as important as Frankish battlefield strength in ending the immediate threat.
Reputable source · 2 sources - c. 700-750 CE (traditional dates 788-820 CE)History of Hinduism
Adi Shankara Systematizes Non-Dualist Vedanta
Adi Shankara, whom the Stanford Encyclopedia of Philosophy dates to the 8th century CE, with alternative scholarly proposals ranging from about 700 to 750 CE, became the most influential systematizer of Advaita Vedanta, the non-dualist school built on the Upanishads. His central claim, in the Encyclopedia's summary, was that Atman, the individual self, is pure non-intentional consciousness, nondual and numerically identical with Brahman, the single ground underlying all objects; everything experienced as separate or plural, in this view, is maya, illusion laid over one undivided reality. Shankara did not invent Advaita Vedanta, which predated him, but became its most authoritative and enduring voice through commentaries on the Upanishads, the Brahma Sutras, and the Bhagavad Gita. Tradition credits him with founding four mathas, monasteries, at Sringeri in the south, Puri in the east, Dwarka in the west, and Badrinath/Joshimath in the north, each entrusted with one Veda, to institutionalize and spread his teaching across the subcontinent; historians note that some scholars attribute the full four-matha system to a later 14th-century figure, Vidyaranya, working to promote Shankara's legacy rather than to Shankara himself.
Reputable source · 2 sources - Late 7th-early 8th century CE onwardHistory of Buddhism
Esoteric and Vajrayana Buddhism Take Shape
Esoteric Buddhism, built around tantric texts and personal instruction from a master rather than public teaching alone, began to take shape in India in the late 7th and early 8th centuries CE. It was carried forward by itinerant ascetic figures called mahasiddhas, who claimed to possess secret teachings the Buddha had given to a select few before his death. World History Encyclopedia describes how these claims "eventually evolved into or were absorbed by adherents of Vajrayana Buddhism which developed in Tibet and was systematized by the sage Atisha (l. 982-1054 CE)." The tradition also traveled to Japan, where the monk Kukai (774-835 CE), who experienced initiation as the eighth patriarch of Esoteric Buddhism in 804 CE, founded Shingon Buddhism as its own systematized branch outside Tibet.
Reputable source · 2 sources - 750 CEThe Rise of Islam
The Abbasid Revolution Overthrows the Umayyads
Resentment against Umayyad rule, especially among non-Arab converts and supporters of Muhammad's family, built for years before erupting into open revolt under the Abbasid movement, descendants of Muhammad's uncle Abbas. In 750 CE, Abbasid forces under Abu Abbas defeated the last Umayyad caliph, Marwan II, near the Greater Zab river, and Marwan was later hunted down and killed while fleeing to Egypt. Abu Abbas, who took the title al-Saffah, the Bloodthirsty, was declared caliph at Kufa, and his forces then dug up and burned Umayyad graves in Syria while massacring surviving male members of the family. Only one prince, a young Abd al-Rahman, escaped, fleeing across North Africa to found a rival Umayyad emirate in Al-Andalus in 756 CE.
Reputable source · 2 sources - 762 CEThe Rise of Islam
Al-Mansur Founds Baghdad as the Abbasid Capital
The Abbasids inherited an empire but no capital of their own suited to their new center of gravity in Iraq. Caliph al-Mansur, who took power in 754 CE after his brother al-Saffah's death, commissioned a new capital on the Tigris River in 762 CE, a city that came to be called Baghdad, built on a circular plan and, according to the World History Encyclopedia, a metropolis that outstripped every European city of its time by any measure. Al-Mansur also crushed a revolt among descendants of Ali during these same years and had his rival Abu Muslim, the general who had led the Abbasid Revolution to victory, killed and his body thrown in the Tigris once his power seemed a threat.
Reputable source · 2 sources - c. 756-773 CE (reign of Krishna I)History of Hinduism
The Kailasa Temple Is Carved Downward From a Single Rock
At Ellora in the Deccan, the Rashtrakuta king Krishna I, who reigned from about 756 to 773 CE, ordered the excavation of the Kailasa temple, which World History Encyclopedia calls the largest rock-cut structure anywhere. Rather than being built up from the ground, it was carved downward: workers cut two massive trenches into a sloping basalt hillside and then sculpted the temple from the block of rock left standing in the middle, producing a 32-meter-high freestanding shrine that appears to rise out of the earth. The temple was dedicated to Shiva and named for Mount Kailasa, his mythical Himalayan abode, and it may have been intended to replicate the god's palace on earth. The World History Encyclopedia timeline of Hinduism records its completion around 770 CE.
Reputable source · 2 sources - c. 790s-830s CEThe Rise of Islam
Harun al-Rashid Establishes the House of Wisdom
Caliph Harun al-Rashid, who ruled from 786 to 809 CE, patronized arts and learning on a scale earlier Abbasid caliphs had not, and it was under his reign that the Grand Library of Baghdad, the Bayt al-Hikma or House of Wisdom, was established. There, scholars translated classical Greek philosophical and scientific works into Arabic, a project that expanded further under Harun's son al-Ma'mun (r. 813-833 CE), who turned the House of Wisdom into a fuller public academy and library, the first major library built since ancient Alexandria's, and who also founded observatories for Muslim astronomers.
Reputable source · 2 sources - December 25, 800 CEHistory of Christianity
Charlemagne Is Crowned Emperor, Reviving Rome in the West
On Christmas Day, 800 CE, Pope Leo III crowned the Frankish king Charlemagne as Emperor and Augustus during Mass at St. Peter's Basilica in Rome, reviving an imperial title in the West that had lapsed more than three centuries earlier. Charlemagne's own biographer and courtier, Einhard, insisted the king had such an aversion to the titles that he would not have entered the church that day, a great feast, had he foreseen the pope's plan, though Einhard's account, written to defend Charlemagne's reputation, is itself a source historians read with some caution. Whatever Charlemagne's real reaction, he went on to accept the title, later securing recognition from the Byzantine emperors in the east, whose own claim to the Roman imperial title Charlemagne's coronation directly challenged.
Primary source · 2 sources - c. 820 CEThe Rise of Islam
Al-Khwarizmi Writes the Book That Gives Algebra Its Name
Muhammad ibn Musa al-Khwarizmi worked as a scholar at Baghdad's House of Wisdom under the patronage of Caliph al-Ma'mun, to whom he dedicated his two most influential works, a treatise on algebra and one on astronomy. His algebra treatise, Hisab al-jabr wa'l-muqabala, gives European languages the word algebra, from al-jabr, and presented the first systematic treatment of solving linear and quadratic equations using named categories of units, roots, and squares rather than modern symbolic notation. Al-Khwarizmi described the book's purpose as practical, intended to teach what people needed for inheritance division, legal disputes, trade, and land surveying.
Reputable source · 2 sources - c. 9th-10th century CEHistory of Hinduism
The Bhagavata Purana Makes Krishna Devotion a Mass Movement
Among the eighteen Maha-puranas, the Bhagavata Purana became the single most important text for Vaishnava devotion, retelling the exploits of Vishnu's avatars, above all Krishna, in loving, emotionally intense detail rather than dry theology. World History Encyclopedia describes it as an epic poem that collects together many Vaishnavite stories, including the account of Krishna's childhood among cowherds after his mother Devaki hid him from his uncle Kamsa, who had been prophesied to die at the hands of her eighth son. The text's tenth book, devoted to Krishna's youth and his playful, intimate relationship with his devotees, became the emotional center of Krishna worship across India and the wellspring of centuries of devotional poetry, painting, and temple ritual. Scholars generally place the Bhagavata Purana's composition around the 9th or 10th century CE, likely in the Tamil-speaking south, where its intensely emotional style parallels the earlier devotional poetry of the Alvar saints.
Reputable source · 2 sources - c. late 9th-early 10th century CEThe Rise of Islam
Al-Razi Distinguishes Smallpox From Measles
Abu Bakr Muhammad ibn Zakariya al-Razi, known in the Latin West as Rhazes, trained in Baghdad after an earlier career as a musician and money-changer and became one of the most respected physicians of the medieval Islamic world, eventually serving as court physician and directing hospitals in Baghdad and his home city of Rayy in Persia. Al-Razi wrote the first clinical account that clearly distinguished smallpox from measles as separate diseases, based on direct observation of patients rather than received authority, and he proposed that survivors of smallpox gained lasting immunity. His ten-part medical textbook, known as al-Mansuri, remained in use for teaching medicine in Europe for centuries after his death.
Peer-reviewed · 2 sources - c. 950-1147History of Judaism
The Golden Age of Jews in Muslim Spain
Under the Caliphate of Cordoba (929-1031) and its successor states in Muslim Spain, Jewish communities experienced what historians call a Golden Age, lasting roughly from the 10th through the 12th century. Jews served in government, most famously Hasdai ibn Shaprut, a physician and diplomat who rose to high influence under the Caliphate, and Jewish scholarship flourished in poetry, philosophy, and science, engaging deeply with Arabic learning. The National Endowment for the Humanities notes this culture produced Moses Maimonides, who fused Aristotelian philosophy with rabbinic law and produced a legal code still studied today. The Golden Age ended abruptly for Maimonides' own generation: the Almohad dynasty invaded Spain in 1147 and forced Jews (and Christians) to convert to Islam or flee, and Jewish life under Muslim rule in Spain effectively ceased. Maimonides' family fled to Morocco and eventually Egypt.
Reputable source · 2 sources - 969-973 CEThe Rise of Islam
The Fatimids Found Cairo and al-Azhar
The Fatimids, an Ismaili Shia dynasty that traced its claimed descent from Fatima, Muhammad's daughter, and her husband Ali, had built a rival caliphate in North Africa from 909 CE, directly challenging the Abbasids' claim to sole leadership of the Islamic world. In 969 CE the Fatimid caliph al-Mu'izz conquered Egypt, and by 973 CE he had established Cairo (al-Qahira, the Victorious) as his new capital, replacing the older nearby cities of Fustat and al-Askar as Egypt's center of power. Within Cairo, the Fatimids built the mosque of al-Azhar, completed in 972 CE, which soon developed beyond a congregational mosque into a seat of learning that became the foremost center of Shia Ismaili scholarship before later becoming a major Sunni institution after the twelfth century.
Reputable source · 2 sources - c. 9th-13th century CE (Chola and Chandella temple age)History of Hinduism
The Chola Kings Cast Bronze Gods and Raise Temple-Cities
Between the 9th and 13th centuries, southern and central Indian dynasties raised Hindu temple architecture and sculpture to a peak. In the Tamil south under the Chola dynasty, bronze-casters produced the image of Shiva as Nataraja, Lord of the Dance, a smiling god dancing the Tandava, the cosmic dance of creation and destruction, inside a flaming halo that represents time as an endless circle. World History Encyclopedia notes that the free-standing bronze form became standard only in the 10th century CE and that Chola craftsmen produced these figures, up to 1.4 metres tall, to be carried in religious processions and festivals; the Nataraja has since become perhaps the most widespread icon of Hinduism. In the north, the Chandella kings built the temple complex at Khajuraho, most of it constructed between 950 and 1050 CE, whose Kandariya Mahadeo temple of about 1025 CE is a fully-developed example of North Indian temple design.
Reputable source · 2 sources - c. 1011-1021 CEThe Rise of Islam
Ibn al-Haytham Rewrites the Science of Vision in Cairo
Ibn al-Haytham, born around 965 CE and known in Latin as Alhazen, spent years working in Cairo, reportedly confined for a period under house arrest, where between roughly 1011 and 1021 CE he composed his seven-volume Book of Optics (Kitab al-Manazir). In it he broke with the older Greek theory that vision worked by rays emitted from the eye, instead demonstrating through geometric analysis and constructed instruments that light travels from an object to the eye and is refracted and reflected according to fixed laws. He built and used a copper instrument to measure how light reflects from flat, spherical, cylindrical, and conical mirrors, and he proposed that Earth's atmosphere had a finite depth of about 15 kilometers, using it to explain the timing of twilight.
Reputable source · 2 sources - c. early 11th century CEThe Rise of Islam
Ibn Sina Completes His Medical and Philosophical System
Ibn Sina, known in the Latin West as Avicenna, was born around 970 CE near Bukhara in Central Asia, then part of the Persian-speaking Samanid realm on the eastern edge of the Islamic world. He combined Greek philosophical and scientific traditions inherited from late antiquity and early Islam into what the Stanford Encyclopedia of Philosophy describes as a rigorous and self-consistent scientific system covering logic, natural philosophy, and metaphysics, alongside a parallel career as a practicing physician serving various rulers of his region. His medical textbook, the Canon of Medicine, organized existing medical knowledge into a systematic reference work that would be used for teaching in the Islamic world and, through Latin translation, in European universities for several centuries afterward.
Reputable source · 2 sources - July 16, 1054 CEHistory of Christianity
The Great Schism Splits Rome and Constantinople
Centuries of theological and political friction between the Latin West and Greek East, over questions including the filioque addition to the Nicene Creed and the use of unleavened bread in the Eucharist, came to a head after Norman conquerors in southern Italy suppressed Greek church practices there. Patriarch Michael Cerularius of Constantinople retaliated by pressuring Latin churches in his own city to adopt Greek customs, prompting Pope Leo IX to send a delegation led by Cardinal Humbert of Silva Candida. After a cold reception, Humbert strode into Hagia Sophia during a service on July 16, 1054 CE and placed a bull of excommunication against Cerularius on the altar; the patriarch responded within days by excommunicating Humbert and the other legates in turn.
Primary source · 2 sources - 26 August 1071 CEThe Rise of Islam
The Seljuks Crush a Byzantine Army at Manzikert
The Seljuk Turks, a nomadic people originally from the Central Asian steppe who had converted to Islam and built an empire spanning Iran, Iraq, and much of the Near East, spent the 1050s and 1060s raiding Byzantine territory in Anatolia and Armenia under Sultan Alp Arslan. In 1071 CE Byzantine emperor Romanos IV Diogenes led a large army, estimated by modern historians at 60,000 to 70,000 men, into Armenia to end the raids for good, but after splitting his forces near Lake Van he was left with roughly half his army when a rival general's contingent failed to engage. At Manzikert on 26 August 1071 CE, Alp Arslan's more mobile force encircled the Byzantine center after panic spread through the ranks on a false rumor of the emperor's death, and Romanos was captured after his horse was killed under him.
Reputable source · 2 sources - c. 1095 CEThe Rise of Islam
Al-Ghazali Challenges the Philosophers
Abu Hamid al-Ghazali, active in Baghdad and across the wider Islamic world in the late 11th and early 12th centuries, became one of the most influential theologians, jurists, and mystics of Sunni Islam at a time when Aristotelian philosophy, known in Arabic as falsafa, had built up considerable authority among Muslim intellectuals following thinkers like Ibn Sina. Al-Ghazali wrote a systematic critique of twenty positions held by these philosophers in his book The Incoherence of the Philosophers, rejecting and condemning some of their conclusions, particularly on questions like the eternity of the world, while still accepting and using many of their logical methods.
Reputable source · 2 sources - November 27, 1095 CEHistory of Christianity
Pope Urban II Launches the Crusades
Responding to an appeal from the Byzantine emperor Alexios I Komnenos for military help against advancing Seljuk Turks, Pope Urban II preached an open-air sermon at the Council of Clermont in France on November 27, 1095 CE, calling on Western Christians to march to Jerusalem and take it from Muslim rule. Urban promised full remission of sins to anyone who took up the cross, an offer on a scale no earlier pope had made, and the appeal drew tens of thousands of knights and commoners within months, launching the First Crusade the following year. The movement Urban started continued in repeated waves for nearly two centuries, reshaping relations between Western Christendom, the Byzantine Empire, and the Islamic world across the eastern Mediterranean.
Reputable source · 2 sources - 1096 CEHistory of Judaism
Crusaders Massacre Rhineland Jews as Ashkenazi and Sephardi Communities Diverge
By the time of the First Crusade, European Jewry had split into two broad communities: Sephardim, centered in Spain and North Africa and shaped by close contact with Islamic and Arabic culture, and Ashkenazim, settled in the Rhineland and northern France under conditions jewishhistory.org describes as far harsher, insular, and centered narrowly on Torah and Talmud study. In May 1096, bands of crusaders led by Count Emicho, on their way to fight Muslims in the Holy Land, turned first on Jewish communities in the Rhineland. In Mainz on 27 May, according to the eyewitness-adjacent Hebrew chronicle of Solomon bar Simson, crusaders massacred the Jewish community; the chronicle describes roughly eleven hundred dead, many by their own hand rather than face forced conversion. Similar attacks struck Speyer, Worms, Cologne, Trier, and other Rhineland cities, with estimated deaths above ten thousand across the region that year.
Primary source · 2 sources - 11th-13th century CE (Ramanuja c. 11th c.; Madhva 1238-1317)History of Hinduism
Ramanuja and Madhva Answer Shankara With Personal Gods
Adi Shankara's Advaita Vedanta had taught that only Brahman is real and that the individual self's separateness is illusion. Two later South Indian philosophers pushed back with theistic systems that kept both the soul and a personal God real. The 11th-century thinker Ramanuja founded Vishishtadvaita, translated as qualified non-dualism, arguing that individual selves are real modes of the body of Brahman, so that Brahman stands to all others as the soul stands to its body, and he made bhakti, devotion to a personal God, central to liberation, identifying Brahman with Vishnu and his consort Lakshmi. Madhva, who lived from 1238 to 1317, went further with Dvaita, or dualism, insisting that the soul is inalterably dependent upon, and therefore fundamentally different from, Brahman, whom he too identified with Vishnu; for Madhva, scripture could not teach that all beings are identical because ordinary perception shows us that we differ from one another and from God.
Reputable source · 2 sources - 1113-1150 CE (reign of Suryavarman II)History of Hinduism
Hindu Devotion Reaches Southeast Asia at Angkor Wat
Under the Khmer emperor Suryavarman II, who reigned from about 1113 to 1150 CE, the Angkor Wat temple complex was built in present-day Cambodia as a grand Hindu temple originally called Vrah Visnuloka, "sacred dwelling of Vishnu," and dedicated to three Hindu deities, Vishnu, Shiva, and Brahma, though Vishnu was Suryavarman's personal protector-god and the temple's namesake. Covering 420 acres with a central tower rising 213 feet, Angkor Wat ranks among the largest religious buildings ever constructed, second in scale only to the Temple of Karnak in Egypt by some measures. National Geographic notes that a religious shift from Hinduism toward Buddhism was intensifying across the Khmer lands even as the temple was completed, and that Buddhism coexisted peacefully with Hinduism there for generations before Angkor Wat was formally rededicated as a Buddhist site in the 1300s, at which point its Hindu relief carvings were left intact rather than replaced.
Reputable source · 2 sources - c. 1175 CE (Japan; older roots in China)History of Buddhism
Pure Land Buddhism Offers Salvation to Everyone
Pure Land Buddhism centers on devotion to Amitabha (Amida in Japanese), a buddha whose vow, according to Mahayana scripture, created a paradise realm called Sukhavati where those who called on his name could be reborn after death and achieve enlightenment there rather than through a lifetime of monastic discipline. In Japan, the priest Honen (1133-1212 CE) founded the Jodo, or Pure Land, sect around 1175 CE, teaching that simply chanting the Buddha's name, the nembutsu, would secure rebirth in Amida's paradise. His student Shinran (1173-1263 CE) went further still, founding the Jodo Shin, or True Pure Land, sect in 1224 CE, which held that a single sincere invocation was enough, and that this path to enlightenment "was open to all regardless of their social status."
Reputable source · 2 sources - 1192-1199 CEHistory of Hinduism
Delhi's Sultans Demolish Temples and Build a Minaret From the Stone
After Muhammad of Ghor's forces took Delhi in 1192, his deputy Qutb-ud-din Aibak began construction that would found the Delhi Sultanate and, immediately, demolished existing Hindu and Jain temples in the area. India's own Ministry of Culture states that many of the monuments in what became the Qutb complex were built using materials from 20 dismantled Hindu temples, and the University of Washington's Silk Road studies project confirms that carved temple pillars were reused wholesale inside the new Quwwatu'l-Islam Mosque, completed in some haste by 1197, with Hindu architectural forms visible in the ceilings of the arcade around the mosque's main courtyard even as its function changed entirely. Religious policy toward Hindu subjects under the Sultanate that followed was neither uniformly harsh nor tolerant: some later Sultanate rulers ordered temple repairs and permitted temple construction for Hindus who paid the jizya tax, while temple destruction accompanied by reuse of temple materials recurred at other sites and other periods across the Sultanate's three centuries of rule.
Reputable source · 2 sources - 7th-13th centuries CEHistory of Buddhism
Buddhism All but Disappears From India
By the time the Chinese pilgrim Xuanzang traveled through India in the early 7th century CE, Buddhism, once dominant across much of the Gangetic plains, was already in visible decline: in Varanasi he found roughly 3,000 Buddhist monks but more than 10,000 non-Buddhists. UCLA historian Vinay Lal describes competing explanations for the disappearance that followed, including the withdrawal of royal patronage as regional Hindu kingdoms rose, absorption of Buddhist ideas into Hindu devotional practice, and the arrival of Islamic conquest in the early second millennium. World History Encyclopedia's account of Muhammad Ghori's Ghurid campaigns confirms the backdrop, noting his forces captured Bengal and defeated the last independent king of Kannauj in 1194 CE, sweeping through the same Bihar and Bengal region where Nalanda and Buddhism's other monastic strongholds still stood. By the 13th century, Buddhism had disappeared from India as a formal, organized religion.
Reputable source · 2 sources - January-February 1258 CEThe Rise of Islam
The Mongols Sack Baghdad and End the Abbasid Caliphate
By the 1250s the Abbasid Caliphate, weakened by centuries of fragmenting political authority to regional dynasties and to the Seljuk and other Turkish sultans who had come to dominate its military affairs, still held Baghdad as a religious and symbolic center. The Mongol prince Hulagu Khan, grandson of Genghis Khan, was tasked with subduing western Asia, and after crushing the Nizari Ismaili state in 1256 CE he moved against the Abbasid Caliphate in Iraq, defeating it in January 1258 CE. Mongol forces captured Baghdad the following month after a brief siege, and a week-long slaughter followed, killing up to 800,000 people according to tradition, along with the execution of the last Abbasid caliph, al-Musta'sim. The Mongols destroyed the city's mosques, palaces, hospitals, and libraries, including the House of Wisdom, whose books were reportedly thrown into the Tigris River in such numbers that the water ran black with ink.
Reputable source · 2 sources - 1266-1273 CEHistory of Christianity
Thomas Aquinas Fuses Faith With Reason in the Summa Theologiae
Thomas Aquinas, a Dominican friar teaching at the newly founded universities of Paris and elsewhere, composed the Summa Theologiae between 1266 and 1273 CE, a systematic work intended, in his own words, to instruct beginners as well as the advanced in Christian teaching. Aquinas drew heavily on the newly recovered works of Aristotle, whose logical methods had become available to Western scholars mainly through translations from Arabic and Greek in the preceding two centuries, arguing that reason and revelation both led toward the same truth rather than standing in conflict. The work's Five Ways offered five separate logical arguments for God's existence, the first reasoning from the observable fact of motion in the world to the necessity of an unmoved first mover.
Primary source · 2 sources - Late 13th century CEHistory of Buddhism
Theravada Buddhism Becomes the State Religion of Southeast Asia
The Khmer Empire's greatest king, Jayavarman VII (r. 1181-1215 CE), rebuilt Angkor after it was sacked by the Chams and turned the new state temple, the Bayon, toward Mahayana Buddhism, reportedly encouraged by his devoutly Buddhist wife Indradevi. That royal Mahayana patronage did not last as the region's dominant form of Buddhism. From the late 13th century onward, Theravada Buddhism, introduced from Sri Lanka, prevailed across the Khmer world even among the lower classes, and the same pattern played out in neighboring Thailand: the Sukhothai king Ram Khamhaeng (r. c. 1275-1298 CE) formally adopted Theravada as Sukhothai's official state religion, with Sri Lankan and Indian artistic influence visible in Sukhothai's temple architecture.
Reputable source · 2 sources - Compiled over centuries; modern translation ongoingHistory of Buddhism
The Tibetan Canon Preserves the Buddha's Words in Translation
Tibetan Buddhism preserved its scriptural inheritance in two great collections: the Kangyur, "the translated words" attributed directly to the Buddha, and the Tengyur, the translated commentaries and treatises of later Indian Buddhist masters explaining and elaborating on those words. Together the two collections run to well over 100,000 pages of classical Tibetan, built up over centuries as Indian Buddhist texts were rendered into Tibetan following the tradition's establishment under kings and teachers like Atisha. The modern nonprofit 84000, working with academic partners including a Buddhist Text Translation Initiative at the University of California, Santa Barbara, has undertaken a decades-long project to render this canon into English and other modern languages, reporting that only a minority of the Kangyur had been translated and published as of the mid-2020s.
Reputable source · 2 sources - 1336 CE (founded); sacked 1565History of Hinduism
Vijayanagara Rises as the Last Great Hindu Empire of the South
As Muslim sultanates dominated the north, a powerful Hindu state rose in the south. Vijayanagara, meaning city of victory, was founded in 1336 and became, in the Victoria and Albert Museum's description, the imperial capital of the last great Hindu empire to rule south India. India's Ministry of Culture describes its ruins at Hampi as exemplifying the artistic and architectural excellence of the last great Hindu kingdom, known for its grand Dravidian temples, royal palaces, and bazaars. Its religious center was the Virupaksha temple, dedicated to a form of Shiva who was the patron deity of the Vijayanagara kings. By 1500 the city was among the largest in the world and drew traders from Persia and Portugal, and its rulers sponsored temple building and Hindu learning on a lavish scale. In 1565 an alliance of the neighboring Deccan sultanates defeated the empire at the Battle of Talikota, and, in the V&A's words, the impressive city was sacked by armies from the Deccan sultanates and never rebuilt.
Primary source · 2 sources - March 31, 1492 (expulsion completed by July 31, 1492)History of Judaism
Spain Expels Its Jews
On 31 March 1492, months after completing the Christian reconquest of Granada, King Ferdinand II of Aragon and Queen Isabella I of Castile signed the Alhambra Decree, ordering all Jews in their kingdoms to leave or convert to Christianity by the end of July. The decree's own text states the goal explicitly: to remove Jewish contact with recent converts from Judaism to Christianity, who Spanish authorities feared were continuing to practice Judaism in secret. Jews who stayed past the deadline faced death and confiscation of property; those who left were permitted to take goods but not gold, silver, or coined money. Modern estimates place the number expelled or converted between 40,000 and 200,000 people, out of a Jewish population of roughly 300,000, ending more than a thousand years of continuous Jewish presence in Spain.
Primary source · 2 sources - 1517 CE onwardHistory of Christianity
Martin Luther Challenges the Church, Splitting Western Christianity
In 1517 CE the German monk Martin Luther publicly challenged the Catholic Church's sale of indulgences, payments believed to reduce punishment for sin, opening a dispute over church authority, salvation, and scripture that spread rapidly across Europe and split Western Christianity into competing Protestant and Catholic churches within a generation. The movement Luther began was quickly followed by parallel reform efforts under other leaders, including John Calvin in Geneva and the separate English Reformation under Henry VIII, each producing distinct church traditions rather than a single unified Protestant alternative to Rome.
Reputable source · 2 sources - 1545-1563 CEHistory of Christianity
The Council of Trent Answers the Reformation With Its Own Reform
Meeting across three separate periods between 1545 and 1563 CE, the Council of Trent formed the Catholic Church's central response to the Protestant Reformation, reaffirming disputed doctrines including the necessity of both faith and good works for salvation, against Luther's teaching of faith alone, and the authority of church tradition alongside scripture. Alongside doctrine, the council issued disciplinary decrees aimed at reforming clerical abuses, including absentee bishops, and Trent's associated Index of Prohibited Books set out formal rules for restricting Catholic access to texts judged heretical or morally corrupting, including works that were, in the rules' own words, absolutely prohibited when they professedly dealt with lascivious or obscene material.
Primary source · 2 sources - 1540s-1600s CEHistory of Christianity
Jesuit Missionaries Carry Christianity to Asia and the Americas
The Jesuit order, founded in 1540 CE partly as a response to the Reformation, sent missionaries across Catholic colonial and trade networks to Asia and the Americas. Francis Xavier, who had already worked in India and Japan, wrote in 1552 CE that he hoped to enter China that same year and penetrate even to the emperor himself, expressing hope that God would soon provide free entrance to China not only to the Jesuits but to religious orders of every kind; he died that December on an island off the Chinese coast without ever gaining entry. Decades later, Matteo Ricci succeeded where Xavier had not, arriving in China in 1583 CE and adopting a strategy, developed under the Jesuit visitor Alessandro Valignano, of presenting himself as a Confucian-educated Western scholar rather than a foreign disruptor, a method of cultural accommodation that helped the China mission gain a foothold among the educated elite.
Primary source · 2 sources - 1642 CEHistory of Buddhism
The Dalai Lama Institution Takes Political Power
The Gelug school of Tibetan Buddhism, whose founder Gendun Drupa (1391-1474) is regarded retroactively as the first Dalai Lama, began as a purely religious lineage. Namgyal Monastery's own history of the lineage records that Gendun Drupa founded the Tashi Lhunpo Monastery in Shigatse in 1447, and that a later Dalai Lama received the Mongolian-derived title itself, meaning "Ocean of Wisdom," from the Mongol ruler Altan Khan in the 16th century. Political authority came only later: in 1642, the fifth Dalai Lama was enthroned as both spiritual and political leader of Tibet, with military backing from a Mongol chieftain, fusing what had been a purely religious office with the machinery of Tibetan government for the first time.
Reputable source · 2 sources - October 24, 1648 CEHistory of Christianity
The Peace of Westphalia Ends Europe's Wars of Religion
The Thirty Years' War, which began in 1618 CE as a conflict between Catholic and Protestant princes within the Holy Roman Empire before drawing in most of the great powers of Europe, ended with a set of treaties signed at Munster and Osnabruck in October 1648 CE, together known as the Peace of Westphalia. The treaties, negotiated in the name of a Christian and universal peace and a perpetual, true, and sincere amity, granted a perpetual amnesty for acts committed during the war and formally recognized the legal equality of Catholicism, Lutheranism, and the previously unrecognized Calvinism, guaranteeing adherents of the Augsburg Confession free exercise of their religion both in public churches at appointed hours and in private worship. Historians estimate the war killed between 4.5 and 8 million people, making it one of the deadliest conflicts in European history to that point.
Primary source · 2 sources - c. 1734-1760History of Judaism
The Baal Shem Tov Founds Hasidism
Israel ben Eliezer, known as the Baal Shem Tov (Master of the Good Name), was born around 1698 in Podolia, in what is now Ukraine, then part of Poland. He began preaching openly in 1734, quickly gaining a reputation as a healer and teacher, and moved the center of his growing following to the town of Medzhibozh around 1740, where he remained until his death in 1760. His teaching rejected the strict asceticism common in Kabbalistic circles and de-emphasized elite Talmudic scholarship as the only path to holiness; instead he taught that heartfelt prayer, joy, and a personal relationship with God were available to every Jew regardless of learning. The movement he founded, Hasidism, spread rapidly through Ukraine, Poland, and Galicia, eventually reaching the majority of religious Jews across Eastern Europe, though it faced fierce opposition from traditionalist rabbis in Lithuania.
General source · 2 sources - 18th-20th centuriesHistory of Christianity
Christianity Splinters Into Tens of Thousands of Denominations
In the centuries after the Reformation, Protestant Christianity in particular continued to divide and re-divide, producing new denominations through further theological disagreement, revival movements, missionary expansion, and migration into new regions where local leaders founded independent churches. By the early 21st century, researchers tracking global Christian affiliation counted tens of thousands of distinct Christian denominations and rites worldwide, though roughly half of the world's Protestants still belonged to one of six major historic traditions: Lutheran, Calvinist/Reformed, Anglican, Methodist, Baptist, and Pentecostal. Pew Research Center's global count found that, of all the world's Christians, about half are Catholic, more than a third Protestant, and roughly one in eight Orthodox, with the remaining fraction split among smaller groups.
General source · 2 sources - c. 1750s-1786History of Judaism
Moses Mendelssohn Sparks the Haskalah
Moses Mendelssohn was born in Dessau in 1729 to a poor family, the son of a scribe, and moved to Berlin as a teenager to study with Rabbi David Frankel. There he taught himself German philosophy and literature alongside his traditional Jewish education, and by the 1750s and 1760s had become, in the words of the Jewish Museum Berlin, the engine of the Berlin Enlightenment, winning the Berlin Academy's prize essay competition in 1763. Mendelssohn translated the Torah into German, written in Hebrew characters, to give Yiddish-speaking Jews access to German language and culture, and he argued publicly that Jews should be granted civil rights as fellow inhabitants of the countries they lived in while still holding fast to their ancestral religion. His example and his advocacy for Jewish educational reform helped launch the Haskalah, the Jewish Enlightenment, a movement that spread across Central and Eastern Europe over the following century.
General source · 2 sources - September 27, 1791History of Judaism
France Grants Jews Full Citizenship
The French Revolution's National Assembly had granted full citizenship to Sephardi Jews in January 1790 but left the larger Ashkenazi Jewish population of Alsace and Lorraine unresolved for another year and a half of debate. On 27 September 1791, following a motion from Adrien-Jean-Francois Duport arguing that freedom of worship no longer permitted distinguishing citizens' political rights by their beliefs, the Assembly voted to extend citizenship to all Jews in France; Louis XVI sanctioned the decree weeks later. The vote came with a catch, articulated by Count Stanislas de Clermont-Tonnerre during the debate: Jews were to be denied recognition as a separate nation within France but granted everything as individual citizens, meaning Jews had to give up autonomous communal governance to gain individual civil equality.
Primary source · 2 sources - February 9-March 9, 1807History of Judaism
Napoleon Convenes a Grand Sanhedrin
In 1806 Napoleon summoned an Assembly of Jewish Notables and posed twelve questions probing whether Jewish law and loyalty were compatible with French citizenship, questions shaped partly by his government's concerns about Jewish moneylending practices in eastern France. To give the Assembly's answers religious as well as civil weight, Napoleon then convened a Grand Sanhedrin, a body of 71 members including 45 rabbis, deliberately modeled on the ancient rabbinic court of the same name, which met in Paris under the Chief Rabbi of Strasbourg, David Sintzheim, from 9 February to 9 March 1807. Jewishhistory.org notes Napoleon expected the body simply to ratify a program of assimilation; the Sanhedrin's answers on questions like polygamy and intermarriage sometimes finessed the tension between Jewish law and French civil law rather than resolving it outright.
General source · 2 sources - 1828-1829 CEHistory of Hinduism
Ram Mohan Roy Founds the Brahmo Samaj and Ends Sati
In 1828, the Bengali reformer Ram Mohan Roy helped found the Brahmo Samaj, a reform society that held weekly congregational meetings patterned after Protestant services and promoted education and greater social mobility for Hindu women, seeking to strip away what Roy considered later, unscriptural additions to Hindu practice, including image worship and caste restriction, while retaining a rationalist monotheism he argued was closer to the Upanishads. Roy had spent years campaigning against sati, the practice of widow immolation, arguing that Hindu scripture did not require it; in November 1829 he circulated a memorandum making that case to British colonial officials, and the following month the Governor-General, Lord William Bentinck, and his council enacted a regulation declaring sati illegal and criminally punishable in British courts.
General source · 2 sources - 1875 CE (Arya Samaj founded); Ramakrishna active c. 1855-1886History of Hinduism
Ramakrishna and the Arya Samaj Drive a Hindu Revival
The Brahmo Samaj had limited appeal, in the words of one scholarly study, because it did not take hold amongst those who had a deep devotion to deities. Two later 19th-century figures reached those devotees in opposite ways. Ramakrishna, a priest at the Dakshineswar Kali temple near Calcutta, was a mystic who practiced Hindu, Islamic, and Christian devotion in turn and reported reaching the same divine reality through each, teaching the essential unity of all religions; among those who came to him was the young Narendranath Datta, later Swami Vivekananda. Meanwhile a second revival began, per the same study, with Swami Dayananda Saraswati, who founded the Arya Samaj in 1875, a movement that rejected image worship, caste by birth, and later ritual accretions in favor of a return to the authority of the Vedas. The Arya Samaj found much of its success, the study notes, in the Indian diasporas in places such as South Africa and Fiji.
Unclassified source · 2 sources - 1881-1884History of Judaism
Pogroms Sweep Russia and Spark Mass Migration
After Tsar Alexander II was assassinated in March 1881, rumors falsely blaming Jews for the killing triggered waves of anti-Jewish riots across the southern and western Russian Empire, a wave of violence that gave the word pogrom its modern meaning. The Holocaust Encyclopedia notes rioters, sometimes with local government or police encouragement, murdered Jewish residents and looted their property; History.com records that violence broke out first in Yelizavetgrad, Ukraine, then spread to more than thirty other towns including Kiev, and continued through 1884 in Belorussia, Lithuania, and elsewhere. The Russian government responded not with protection but with the repressive May Laws of 1882, further restricting where Jews could live and work within the Pale of Settlement. The combination of violence and legal restriction drove a mass emigration: roughly two million Jews left the Russian Empire for the United States and other destinations between 1881 and 1914.
Reputable source · 2 sources - 1882-1903History of Judaism
The First Aliyah: Jews Begin Settling Ottoman Palestine
Even before Theodor Herzl organized political Zionism, the pogroms of 1881-1882 drove a wave of Jewish settlement to Ottoman-ruled Palestine that later became known, retroactively named by participants in a second wave, as the First Aliyah. The First Aliyah Museum records that the first group of Bilu movement settlers arrived at Jaffa in July 1882, and that roughly 35,000 immigrants followed over the next two decades, most from Eastern Europe, with a smaller group of about 3,000 Yemenite Jews arriving separately for messianic religious reasons rather than in response to Russian persecution. Settlers organized into moshavot, farming villages built on private property, founding colonies including Rishon LeZion and Petah Tikva in 1882, with land purchases and settlement subsidized substantially by Baron Edmond de Rothschild. Settlers faced difficult conditions: harsh climate, disease, Ottoman taxation, and friction with the existing Arab population.
Reputable source · 2 sources - September 11, 1893History of Hinduism
Vivekananda Introduces Hinduism to the World in Chicago
On September 11, 1893, the Bengali monk Swami Vivekananda, a disciple of the mystic Ramakrishna, addressed the World's Parliament of Religions, convened in Chicago from September 11 to 27, 1893 and regarded today as the origin of the modern interfaith movement. Serving as the event's official representative of Hinduism, Vivekananda opened with the words "Sisters and Brothers of America," which drew a lengthy standing ovation from the roughly 7,000-strong audience, and used his address to call for global religious tolerance, declaring pride in belonging to a religion that had taught the world both tolerance and universal acceptance. Four years later, on May 1, 1897, Vivekananda founded the Ramakrishna Mission, an organization combining monastic Vedanta practice with hospitals, schools, and disaster relief work, built explicitly around what he called Practical Vedanta, applying Advaita philosophy to social service rather than confining it to monastic contemplation.
General source · 2 sources - September 11-27, 1893History of Buddhism
The 1893 World's Parliament of Religions Introduces Buddhism to America
The World's Parliament of Religions, held in Chicago from September 11 to 27, 1893, as part of the World's Columbian Exposition, brought representatives of Eastern and Western spiritual traditions together in what the Chicago History Museum calls the origin of the modern interfaith movement. Among the delegates were the Sri Lankan Buddhist reformer Anagarika Dharmapala, representing Buddhism, and the Japanese monk Soyen Shaku, representing Zen Buddhism specifically. The event's own organizing body records that some four hundred men and women representing forty-one denominations and traditions took part over the gathering's seventeen days, with Buddhist, Jain, and Muslim speakers appearing alongside Christian and Hindu ones.
General source · 2 sources - August 29-31, 1897History of Judaism
Herzl Convenes the First Zionist Congress
Theodor Herzl, an Austro-Hungarian Jewish journalist who had covered the Dreyfus Affair in France and concluded that European antisemitism could not be reasoned away, convened the First Zionist Congress in Basel, Switzerland, from 29 to 31 August 1897. Some 200 delegates from 17 countries attended. The Congress adopted the Basel Program, formally calling for the establishment of a home for the Jewish people in Palestine, then part of the Ottoman Empire, to be secured under public law with international recognition, and it founded the World Zionist Organization to pursue that goal. Herzl recorded his own assessment privately in his diary days later: that he had founded the Jewish state at Basel, and that the world would recognize it within five, or at most fifty, years.
Primary source · 2 sources - 1906 CEHistory of Christianity
The Azusa Street Revival Launches Global Pentecostalism
William Seymour, born in Louisiana in 1870 to formerly enslaved parents, brought the Pentecostal teaching of Charles Fox Parham, that speaking in tongues was evidence of baptism in the Holy Spirit, to Los Angeles in early 1906 CE. After a month of prayer and fasting, Seymour and several companions spoke in tongues on April 9, 1906, and the growing crowds soon moved services into a former African Methodist Episcopal church building on Azusa Street, a plain structure that packed in as many as 600 people at a time for services marked by shouting, trances, and interracial worship that was unusual for its time and place. News of the revival spread through Seymour's own periodical, The Apostolic Faith, and through missionaries who carried the movement abroad; more than 200 Pentecostal missionaries, most of them women, had gone out from Azusa and related centers by 1910.
Reputable source · 2 sources - 1906 onwardHistory of Hinduism
Gandhi Turns Ahimsa Into a Political Weapon
Mohandas Gandhi drew on ahimsa, a principle of nonviolence toward all living beings rooted in Hindu and Jain religious thought, and transformed it from a personal ethical restraint into an organized political method he called satyagraha, a Sanskrit compound meaning insistence on truth. UNESCO's own account of the concept states that in Gandhi's thought ahimsa precluded physical injury and also mental states like evil thoughts and hatred, and that Gandhi treated it as a creative energy force connected to satya, or divine truth, rather than as mere passive restraint. Gandhi first put satyagraha into practice in 1906, organizing nonviolent resistance among the Indian community in South Africa against a discriminatory registration law, before bringing the method back to India, where it became the organizing discipline behind the campaigns that ended British colonial rule.
Reputable source · 2 sources - 1923 CEHistory of Hinduism
Savarkar's Hindutva Redefines Hindu as a Political Identity
In 1923, the Indian nationalist Vinayak Damodar Savarkar published a pamphlet in Bombay titled Hindutva, expanding an idea he had begun two years earlier, that recast Hindu identity as an ethnic and political category rather than strictly a religious one. UCLA's South Asia program quotes Savarkar's own reasoning that the word Hinduism itself was, in his view, of alien growth, a foreign import that should not be allowed to confuse Hindu self-understanding, and that Hindus constituted a nation bound together by common blood and a shared civilizational heritage. Savarkar defined a Hindu as whosoever was devoted to Hindustan and considered it his or her holy land, a formula broad enough to include Sikhs, Jains, and Buddhists as part of the same civilizational nation, but which excluded Muslims and Christians on the grounds that their religions' holy lands lay elsewhere. Two years later, in 1925, the physician Keshav Baliram Hedgewar founded the Rashtriya Swayamsevak Sangh in Nagpur, an organization built to spread Savarkar's Hindutva ideology through a nationwide volunteer network.
Primary source · 2 sources - 1933-1945History of Judaism
The Holocaust: Six Million Jews Murdered
Beginning when Adolf Hitler came to power in January 1933, Nazi Germany progressively stripped Jews of legal rights, property, and safety, escalating after the outbreak of World War II into what the regime called the Final Solution to the Jewish Question. The U.S. Holocaust Memorial Museum defines the result plainly: the systematic, state-sponsored persecution and murder of six million European Jews by Nazi Germany and its allies and collaborators, carried out between 1941 and 1945 through mass shootings, gas chambers, and purpose-built killing centers including Auschwitz-Birkenau, Treblinka, and Sobibor, alongside starvation, forced labor, and disease in ghettos and camps. The killing ended only with Germany's defeat in May 1945, by which point roughly two out of every three European Jews alive in 1939 had been murdered.
Reputable source · 2 sources - May 14, 1948History of Judaism
The State of Israel Is Declared
As the British Mandate for Palestine expired at midnight, David Ben-Gurion, on behalf of the Jewish People's Council, read a declaration in Tel Aviv on 14 May 1948 (5 Iyar 5708) proclaiming the establishment of a Jewish state in Eretz-Israel, to be known as the State of Israel. The declaration, whose full text is preserved by Yale Law School's Avalon Project, grounded the new state's claim in both a biblical and historical connection to the land and in the United Nations' 1947 partition resolution, and it pledged the state would ensure complete equality of social and political rights for all its inhabitants regardless of religion, race, or sex. Within hours, forces from Egypt, Transjordan, Iraq, and Syria entered the territory of the former Mandate, beginning the first Arab-Israeli War.
Primary source · 2 sources - October 14, 1956History of Buddhism
Ambedkar Leads a Mass Conversion to Buddhism
B. R. Ambedkar, the Columbia- and London-trained economist and lawyer who chaired the drafting committee of India's constitution, spent decades opposing the caste system that classified him and millions of others as untouchables. On October 14, 1956, at Nagpur, he and his wife formally took the Three Jewels and Five Precepts of Buddhism from a monk, then administered the same vows, along with 22 additional vows of his own composition explicitly rejecting Hindu belief and practice, to what a contemporary account estimated at roughly 380,000 of his followers, most from Dalit, formerly untouchable, communities. A second ceremony the following day brought the total number of converts in that 36-hour window to nearly half a million, and the movement continued to grow after Ambedkar's death later that same year.
Reputable source · 2 sources - Early 1960s, VietnamHistory of Buddhism
Thich Nhat Hanh Founds Engaged Buddhism
As war engulfed Vietnam, Buddhist monks and nuns faced a choice between the traditional contemplative life inside the monastery and the urgent, immediate suffering of civilians around them. The monk Thich Nhat Hanh chose to do both. In the early 1960s he founded the School of Youth and Social Service, a grassroots relief organization that grew to some 10,000 volunteers, built explicitly on Buddhist principles of non-violence and compassionate action, and he coined the term "Engaged Buddhism" in his book Vietnam: Lotus in a Sea of Fire. He would later describe the movement's origin directly: "When I was a novice in Vietnam, we young monks witnessed the suffering caused by the war...That was not easy because the tradition does not directly offer Engaged Buddhism. So we had to do it by ourselves. That was the birth of Engaged Buddhism."
Primary source · 2 sources - November 21, 1964 CEHistory of Christianity
Vatican II Opens the Catholic Church to Ecumenism
The Second Vatican Council, meeting in Rome from 1962 to 1965 CE under Popes John XXIII and Paul VI, issued a decree on ecumenism, Unitatis Redintegratio, on November 21, 1964 CE, passed by a vote of 2,137 to 11 among the assembled bishops. The decree opened by stating that the restoration of unity among all Christians is one of the principal concerns of the Second Vatican Council, acknowledging that many communions now claim to be the authentic heirs of Jesus Christ and treating this division as a wound working against the church's own mission rather than as simply the fault of those outside it. The council paired this decree with Nostra Aetate, addressing the church's relationship to non-Christian religions, and both documents marked a significant shift from the Council of Trent's more confrontational posture four centuries earlier.
Primary source · 2 sources Mindfulness Meditation Enters Western Medicine
In 1979, Jon Kabat-Zinn, a scientist trained in molecular biology who was also a longtime meditator, founded the Stress Reduction Clinic at the University of Massachusetts Medical School. There he developed Mindfulness-Based Stress Reduction, an eight-week clinical program built on meditation techniques drawn from Buddhist practice, including teachings Kabat-Zinn had studied from teachers such as Thich Nhat Hanh, but deliberately stripped of explicitly religious language and framed instead in clinical, scientific terms. The Center for Mindfulness in Medicine, Health Care, and Society, UMass Memorial Health's own account states, "carries forward Kabat-Zinn's founding vision," and the program subsequently spread to more than 720 medical centers and clinics worldwide.
General source · 2 sources- June 21, 2015 (first observance)History of Hinduism
The United Nations Declares an International Day of Yoga
On 11 December 2014, the United Nations General Assembly adopted resolution 69/131, proclaiming 21 June as the International Day of Yoga, a proposal India's government had brought to the Assembly. The UN's own description calls yoga an ancient physical, mental and spiritual practice that originated in India, and the resolution drew, according to the UN General Assembly President's own statement at its adoption, more than 170 co-sponsoring member states, a scale of support unusual for any General Assembly resolution. The first International Day of Yoga was observed on 21 June 2015 with events held simultaneously around the world.
Reputable source · 2 sources - 20th-21st centuriesHistory of Christianity
Christianity's Center Shifts to the Global South
Pew Research Center demographic projections show a Christian population that has shifted southward for at least a century and is expected to continue doing so. In 1910, Europe was home to roughly two-thirds of the world's Christians, with North America a distant second; by the early 21st century, nearly half of the world's Christians already lived in Africa and the Latin America-Caribbean region combined, driven by higher birth rates in sub-Saharan Africa and by widespread Christian disaffiliation across Western Europe. Pew's projections estimate that by 2050, sub-Saharan Africa alone will be home to nearly four in ten of the world's Christians, up from less than two percent in 1910, while Europe and North America together will hold only about a quarter of the global total.
General source · 2 sources - Ancient origins to present (festival c. 2,500 years old)History of Hinduism
Diwali Becomes the Living Face of Hinduism for a Billion People
For most Hindus, the religion is lived less through philosophy than through festivals, and the largest is Diwali, the festival of lights, whose name derives from the Sanskrit dipavali, meaning row of lights. History.com describes it as a festival of lights that stretches back more than 2,500 years; celebrants line rows of small clay oil lamps outside their homes, and the festival is associated with asking the goddess Lakshmi for prosperity in the coming year and, in the Ramayana tradition, with the return of Rama from exile. National Geographic notes that Diwali is a time to celebrate the triumph of light over darkness, knowledge over ignorance, and good over evil, that it falls between the Hindu months of Asvina and Kartika around October or November, and that it is now observed by more than a billion people across faiths, ranking as India's biggest holiday season.
Reputable source · 2 sources - 2020 (Pew Research global data)History of Hinduism
Hinduism Becomes a Global Religion of 1.2 Billion People
By 2020, Pew Research Center counted 1.2 billion Hindus worldwide, a rise of 126 million since 2010, holding steady at 14.9 percent of the global population and making Hinduism the world's third-largest religion by adherents. Ninety-four percent of the world's Hindus still live in India, but the Hindu diaspora has grown from 9.1 million migrants living outside their country of birth in 1990 to 13.5 million in 2020, an increase of 48 percent, concentrated in the Asia-Pacific region, the Middle East and North Africa, and North America. In India itself, ancient devotional practice continues at a scale without parallel anywhere: the Kumbh Mela, described by UNESCO, which inscribed it on the Representative List of the Intangible Cultural Heritage of Humanity in 2017, as the largest peaceful congregation of pilgrims on earth, draws tens of millions of Hindus to bathe in the Ganges and other sacred rivers at Allahabad, Haridwar, Ujjain, and Nashik on a rotating cycle, in the belief that the ritual bath frees the bather from the cycle of birth and death.
General source · 2 sources Modern Jewish Life: A Global, Mostly Two-Center People
The Jewish Agency for Israel's 2023 demographic report put the world's core Jewish population at approximately 15.7 million people, up from 15.6 million the year before. Of those, 7.2 million lived in Israel, now the largest single Jewish population center in the world, while about 8.5 million lived in the diaspora, with roughly 6.3 million of them in the United States. Pew Research Center's parallel study of American Jews found 7.5 million Jews of all ages in the United States, about 2.4 percent of the total population, split between those who identify as Jewish by religion and a growing share who identify as Jewish by ethnicity or culture without religious practice. Both reports describe a population still well below its pre-Holocaust level of roughly 16.5 to 17 million in 1939, one that took nearly eighty years to approach its earlier size.
General source · 2 sources