Shapur I Captures the Roman Emperor Valerian
For the first and only time in Roman history, an emperor is taken alive by a foreign enemy and never released
Quick facts
- Roman emperor captured
- Valerian
- Persian king
- Shapur I
- Location
- Near Edessa, upper Mesopotamia
- Commemorated at
- Naqsh-e Rustam, Bishapur reliefs
What happened
In 260 CE the Roman emperor Valerian led an army against the Sassanid king Shapur I, Ardashir's son and successor, near Edessa in upper Mesopotamia. Valerian's forces were already weakened by a plague outbreak when the two armies met, and the Romans were decisively defeated. When Valerian led a delegation to Shapur's camp to negotiate terms, he was seized along with his staff, his praetorian guard, and several senators, and taken to Persia as a prisoner, marking the first time in Roman history a reigning emperor was captured alive by a foreign power. Shapur commemorated the victory, along with his earlier defeats of the emperors Gordian III and Philip the Arab, in monumental rock reliefs at Naqsh-e Rustam and Bishapur showing Valerian kneeling or gripped by the hand of the Persian king.
Why it matters
The capture threw the eastern Roman frontier into crisis during the empire-wide instability of the Crisis of the Third Century, and it became a lasting symbol of Sassanid power that Persian kings referenced for generations. No later Roman emperor allowed himself to be captured negotiating in person again.
How we know
Shapur's own trilingual inscription and rock reliefs are primary sources commissioned in his reign; Roman and later Byzantine historians add narrative detail, though accounts of Valerian's ultimate fate in captivity vary and are not fully reconciled.
Sources
- Livius.org (Jona Lendering). Shapur I · Reputable sourcelivius.org · The domain "livius.org" is on our Reputable source registry. · Link is live and its text matches the event's key terms (Jul 2026)
- World History Encyclopedia. Valerian · Reputable sourceworldhistory.org · The domain "worldhistory.org" is on our Reputable source registry. · Link is live and its text matches the event's key terms (Jul 2026)
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Part of a timelineAncient Persia27 events · Three empires in a row, Achaemenid, Parthian, and Sassanid, ran the largest state the ancient world had seen and left cuneiform, coinage, and a fire religion behindView all →