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First Arab siege of Constantinople

Caliph Mu'awiya’s fleets blockaded Constantinople for several campaigning seasons, but the Byzantines destroyed the Arab navy with the newly invented Greek fire, and the Caliphate had to make peace and pay tribute.

Date
674–678year known · duration: ≈ 4 years
Place
Constantinopletoday: Istanbul, Turkey · Balkans and Anatolia
Participants
Umayyad Caliphate, Mu'awiya I, Byzantine Empire, Constantine IV
Threads
Early medieval Europe (500–1000)
Also known as
Siege of Constantinople (674–678); Осада Константинополя (674—678); Greek fire; Греческий огонь

According to Theophanes the Confessor, from 674 an Arab fleet based at Cyzicus on the Sea of Marmara attacked the city every spring and summer and withdrew for the winter. In 677 or 678 Constantine IV’s ships, armed with siphons for the liquid incendiary later called Greek fire, routed the Arab fleet; the Arab army in Asia Minor was also defeated, and a storm destroyed much of the retreating fleet. A thirty-year peace obliged the caliph to pay an annual tribute.

The dating and even the scale of the siege are debated. Theophanes wrote more than a century later, and Arab and Syriac sources speak rather of separate campaigns. J. Howard-Johnston questioned the very existence of a siege in the 670s, while M. Jankowiak argued that a real siege took place, but in 667–669.

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Sources

  1. Wikipedia (English): Siege of Constantinople (674–678)
  2. Wikipedia (Russian): Осада Константинополя (674—678)
  3. Jankowiak M. The First Arab Siege of Constantinople // Travaux et Mémoires. — 2013. — Vol. 17. — P. 237–320.
  4. Wikidata: Q399482