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Science & History

Ancient Greece

The birthplace of democracy, philosophy, and the Western imagination — from the Minoans to the Roman conquest, every event sourced.

by SourcedStory26 events100% sourced100% high-quality sources

A timeline of ancient Greece across its whole arc — the Bronze Age Minoans and Mycenaeans, the emergence of the city-states and the alphabet, the birth of democracy and philosophy, the Persian Wars and the golden age of Athens, the Peloponnesian War, Alexander and the Hellenistic world, and the Roman conquest of 146 BCE. Every event is backed by content-verified sources.

In collections:The Ancient World

Events

  1. c. 2000–1450 BCEReputable source · 2 sourcesWell documented

    The Minoan Civilization

    On the island of Crete, the Minoans built Europe's first advanced civilization, centered on sprawling, labyrinth-like palace complexes such as Knossos. They are known for vivid frescoes of bull-leaping and marine life, fine craftsmanship, and wide trade across the Aegean.

    Why it matters: The Minoans made a foundational contribution to European civilization and may have inspired the Greek myth of the Labyrinth; their world laid the groundwork for later Greek culture.

  2. c. 1600–1100 BCEReputable sourceWell documented

    The Mycenaean Civilization

    The Mycenaeans, named after their fortress-city of Mycenae, dominated Late Bronze Age mainland Greece and the Aegean. They built massive citadels, traded across the Mediterranean, and kept records in Linear B — the earliest written form of the Greek language.

    Why it matters: The Mycenaeans were the Greeks of legend — Agamemnon, Achilles, and Odysseus belong to their world — and their memory shaped the epics and self-image of later Greece.

  3. c. 1200 BCE (legendary)Reputable sourceDebated

    The Trojan War

    According to Greek legend, a coalition of Mycenaean Greeks under Agamemnon besieged the city of Troy for ten years to recover Helen, wife of the Spartan king Menelaus. The story is immortalized in Homer's Iliad. Archaeology at the site of Troy shows destruction around 1250 BCE, but the epic account is regarded as largely myth.

    Why it matters: Whether or not a historical war lies behind it, the Trojan War became the central myth of Greek culture, endlessly retold in literature and art.

    How we know: Homer's Iliad (8th century BCE) is the main literary source; excavations at Troy reveal a Bronze Age city with signs of conflict, but the epic is 'almost certainly more myth than reality.'

  4. c. 1100–800 BCEReputable sourceWell documented

    The Greek Dark Age

    Around 1100 BCE the Mycenaean palaces collapsed amid the wider Bronze Age Collapse; cities were abandoned, populations fell, and the Linear B script was lost. Greece fragmented into small, isolated communities for some three centuries.

    Why it matters: Out of this 'Dark Age' — through migration, memory, and recovery — emerged the world of independent city-states and the alphabet that would define Archaic and Classical Greece.

  5. 776 BCEReputable source · 2 sourcesWell documented

    The First Olympic Games

    The first recorded Olympic Games were held at the sanctuary of Olympia in the western Peloponnese in honor of Zeus. Held every four years, the Games drew athletes and tens of thousands of spectators from across the Greek world during a sacred truce.

    Why it matters: The Games were the greatest pan-Hellenic festival, and the four-year Olympiad gave the scattered Greeks their first shared system for dating events.

  6. c. 750 BCEReputable source · 2 sourcesWell documented

    Homer and the Greek Alphabet

    In the 8th century BCE the Greeks adapted the Phoenician alphabet to their own language, and the great oral epics attributed to Homer — the Iliad and the Odyssey — were composed and eventually written down.

    Why it matters: The alphabet made possible the written record of Greek literature, law, and thought, and Homer's epics became the shared cultural foundation of the Greek world.

  7. c. 750–550 BCEReputable sourceWell documented

    Greek Colonization of the Mediterranean

    Driven by population growth and trade, Greek city-states founded colonies around the Mediterranean and Black Sea — from Massalia (Marseille) in the west to the shores of Anatolia. Corinth founded Syracuse in Sicily; other cities settled southern Italy (Magna Graecia).

    Why it matters: Colonization spread Greek language, religion, and culture across the ancient world and knit the Mediterranean into a Greek-influenced sphere.

  8. 594 BCEReputable sourceWell documented

    Solon's Reforms at Athens

    Appointed archon of Athens amid economic crisis, the statesman and poet Solon abolished debt-slavery, cancelled debts, and restructured Athenian society and law to reduce the power of the aristocracy and give ordinary citizens a stake in government.

    Why it matters: Though an aristocrat himself, Solon laid the legal and social foundations on which Athenian democracy would later be built.

  9. c. 585 BCEReputable sourceWell documented

    The Birth of Philosophy: Thales of Miletus

    Thales of Miletus sought to explain the natural world through reason rather than myth, proposing that water was the fundamental substance of all things. Aristotle later called him the 'first philosopher.'

    Why it matters: Thales launched the tradition of rational inquiry — the Pre-Socratic philosophers — that gave rise to Western philosophy and science.

  10. 508 BCEReputable sourceWell documented

    Cleisthenes and the Birth of Democracy

    The Athenian reformer Cleisthenes reorganized the citizen body into local units (demes) and ten new tribes, breaking the power of the old aristocratic families, and introduced ostracism. He is credited as the founder of Athenian democracy.

    Why it matters: Cleisthenes created the world's first large-scale democracy, in which ordinary citizens shared directly in government — a landmark in political history.

  11. 499 BCEReputable sourceWell documented

    The Ionian Revolt

    The Greek city-states of Ionia, on the coast of Asia Minor, rose up against their Persian overlords, with support from Athens and Eretria. They burned Sardis, but the revolt was crushed by 493 BCE.

    Why it matters: Athens's aid to the rebels gave the Persian king Darius I his pretext to invade Greece, beginning the Greco-Persian Wars.

  12. 490 BCEReputable sourceWell documented

    The Battle of Marathon

    A Persian invasion force sent by Darius I landed at Marathon, northeast of Athens. Heavily outnumbered, the Athenian hoplites under Miltiades used an unexpected tactic to envelop and rout the Persians. By tradition, the Athenians lost 192 men to thousands of Persians.

    Why it matters: The improbable victory at Marathon saved Athens, gave the Greeks confidence they could resist the Persian Empire, and became a legend of the Classical world.

  13. 480 BCEReputable source · 2 sourcesWell documented

    Thermopylae and Salamis

    The Persian king Xerxes invaded Greece with a huge army. At the pass of Thermopylae, King Leonidas and 300 Spartans with other Greeks held off the Persians for three days before being overwhelmed. Weeks later, the Greek fleet under Themistocles lured the Persian navy into the straits of Salamis and destroyed it.

    Why it matters: The heroic stand at Thermopylae and the decisive naval victory at Salamis turned back the Persian invasion and preserved Greek independence.

  14. 478–431 BCEReputable source · 2 sourcesWell documented

    The Age of Pericles and the Delian League

    After the Persian Wars, Athens led the Delian League, an alliance of Greek states formed in 478 BCE for defense against Persia, which it gradually turned into an Athenian empire. Under the statesman Pericles, Athens entered a golden age of democracy, art, and imperial power.

    Why it matters: The Age of Pericles was the height of Athenian civilization — the setting for its greatest achievements in politics, philosophy, drama, and architecture.

  15. 5th century BCEReputable sourceWell documented

    Greek Tragedy and the Theatre

    At the festivals of Dionysus in Athens, drama flourished into the art of tragedy. The great playwrights Aeschylus — the 'father of tragedy' — Sophocles, and Euripides staged works exploring fate, justice, and the human condition before mass audiences.

    Why it matters: Athenian tragedy invented Western theatre and produced masterpieces still performed and studied thousands of years later.

  16. 447–432 BCEReputable source · 3 sourcesWell documented

    The Parthenon

    On the Acropolis of Athens, the Parthenon was built as a temple to the city's patron goddess Athena. Designed by the architects Iktinos and Kallikrates and adorned with sculptures overseen by Phidias, it was funded largely from the treasury of the Delian League.

    Why it matters: The Parthenon is the supreme achievement of Classical Greek architecture and the enduring symbol of Athens at the height of its power.

  17. c. 440 BCEReputable sourceWell documented

    Herodotus, the Father of History

    The Greek writer Herodotus composed his Histories, a sweeping account of the Greco-Persian Wars interwoven with observations from his travels. He was the first known writer to systematically gather, test, and narrate his sources.

    Why it matters: Cicero called Herodotus the 'Father of History'; his method of inquiry founded the discipline of history as we know it.

  18. 431–404 BCEReputable sourceWell documented

    The Peloponnesian War

    A long and ruinous war pitted Athens and its maritime empire against Sparta and its allies. Athens was struck by a devastating plague early on; the war ended when Sparta, backed by Persian gold, destroyed the Athenian fleet at Aegospotami and forced Athens to surrender in 404 BCE.

    Why it matters: The war shattered the Athenian empire and the confidence of the Greek world, weakening the city-states and opening the way for the rise of Macedon.

  19. 399 BCEReputable sourceWell documented

    The Trial and Death of Socrates

    The philosopher Socrates was tried in Athens on charges of impiety and 'corrupting the youth,' condemned, and executed by drinking hemlock. His final days are recorded in the dialogues of his student Plato.

    Why it matters: Socrates' method of relentless questioning and his death for his principles made him the founding figure — and first martyr — of Western philosophy.

  20. c. 387 BCEReputable sourceWell documented

    Plato Founds the Academy

    Socrates' student Plato founded the Academy on the outskirts of Athens — a school of philosophy, mathematics, and science often called the first university of the Western world. There he developed his Theory of Forms and taught, among others, Aristotle.

    Why it matters: Through the Academy and his dialogues, Plato became one of the most influential thinkers in history, shaping Western philosophy for over two thousand years.

  21. 338 BCEReputable sourceWell documented

    Philip II and the Battle of Chaeronea

    King Philip II of Macedon, who had forged a formidable army built around the long pike (sarissa) and the reformed phalanx, defeated the combined forces of Athens and Thebes at Chaeronea in 338 BCE. His eighteen-year-old son Alexander led the cavalry charge.

    Why it matters: The victory brought the Greek city-states under Macedonian control through the League of Corinth, ending their independence and setting the stage for Alexander's conquests.

  22. 335 BCEReputable sourceWell documented

    Aristotle Founds the Lyceum

    Returning to Athens in 335 BCE, Aristotle — a former student of Plato and tutor of Alexander the Great — founded his own school, the Lyceum. He pursued a vast, empirical program of study across biology, physics, logic, ethics, and politics.

    Why it matters: Aristotle's systematic approach to knowledge shaped virtually every field of Western thought and science for the next two millennia.

  23. 334–323 BCEReputable sourceWell documented

    Alexander the Great's Conquests

    Beginning in 334 BCE, Alexander III of Macedon led a Greek and Macedonian army in a lightning campaign that toppled the vast Persian Empire and reached as far as Egypt and the borders of India, never losing a battle.

    Why it matters: Alexander's conquests spread Greek language and culture across the ancient Near East and inaugurated the Hellenistic Age.

  24. 323 BCEReputable sourceWell documented

    The Death of Alexander and the Hellenistic Age

    Alexander died at Babylon in 323 BCE, aged 32, without a clear heir. His generals — the Diadochi, or 'Successors' — fought over his empire, which fractured into the great Hellenistic kingdoms: the Ptolemies in Egypt, the Seleucids in the Near East, and the Antigonids in Macedon and Greece.

    Why it matters: The Hellenistic Age blended Greek and local cultures across a vast area and made cities like Alexandria the centers of learning and science in the ancient world.

  25. c. 300–212 BCEReputable source · 2 sourcesWell documented

    Hellenistic Science: Euclid and Archimedes

    In the Hellenistic world, Greek science reached its peak. Around 300 BCE Euclid, working at Alexandria, wrote the Elements, the foundational textbook of geometry. Later, Archimedes of Syracuse (c. 287–212 BCE) made landmark discoveries in mathematics, physics, and engineering — from the principle of buoyancy to the Archimedes screw.

    Why it matters: Euclid's Elements remained the standard for mathematics for over two thousand years, and Archimedes is regarded as the greatest mathematician of antiquity — the summit of ancient Greek science.

  26. 146 BCEReputable sourceWell documented

    The Roman Conquest of Greece

    In 146 BCE, after war with the Achaean League, Roman forces under Lucius Mummius sacked the wealthy city of Corinth and dissolved the League. Greece was brought under Roman control, later organized as the province of Achaea.

    Why it matters: The fall of Corinth ended the independence of the Greek city-states; though conquered, Greece would in turn deeply shape the culture of its Roman conquerors.