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Early conquests · 717 to 718

Siege of Constantinople

A year-long siege by land and sea. Greek fire, a brutal winter and Bulgar attacks broke the army, and the city would not fall to a Muslim army for another 736 years.

The site of the battle on the 750 map. Shaded: Umayyad Caliphate at its peak.

Key facts

When
717 to 718
Where
Istanbul, Turkey
Sides
Umayyad Caliphate vs Byzantine Empire
Commanders
Maslama ibn Abd al-Malik vs Leo III
Result
Siege failed
Type
Early conquests
Chapter
2. The Umayyads

The wider picture: The Umayyads of Damascus

Muawiya ruled from Damascus and named his son Yazid as heir, the first time the caliphate passed from father to son. Karbala followed in 680. Then came the largest expansion in Islamic history: Spain in 711, Sindh in 712 and Central Asia up to the Syr Darya.

More early conquests battles

All 17 early muslim conquests battles · Battle explorer

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