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BATTLE // December 15, 0627

Battle of Nineveh

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Significance

The Battle of Nineveh, fought on 15 December 627, was a confrontation between Byzantine forces under Heraclius and a Sasanian force under Rahzadh. The Sasanian army of roughly 12,000 suffered casualties matching the entirety of their reported strength, indicating the engagement was effectively a destruction of the opposing force. The battle occurred within the Byzantine–Sassanid War of 602–628, a conflict that had consumed both empires for over two decades. The elimination of the Sasanian force at Nineveh removed a principal field army from the theater and placed Heraclius in a position of strategic dominance deep in Sasanian territory during the war's final phase.

Forces & casualties

Troop strength

  • Byzantine Empire25,000–50,000
    medium
  • Sasanian Empire12,000
    medium

Byzantine Empire fielded a 3.1 : 1 numerical advantage

Casualties

  • Sasanian Empire12,000
    medium100% loss rate

Commanders (2)

Byzantine Empire

Sasanian Empire

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Last verified July 2026
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