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The Siege of Damascus (634) lasted from 21 August to 19 September 634 AD b[âº] before the city fell to the Rashidun Caliphate. Damascus was the first major city of the Byzantine (Roman) empire to fall in the Muslim conquest of Syria.
The most important battles and sieges of Alexandria include: 1  Siege of Alexandria (47 BC), Julius Caesar's civil war. 2  Battle of Alexandria (30 BC), final war of the Roman Republic. 3  Siege of Alexandria (619), Byzantine-Persian Wars. 4  Siege of Alexandria (641), Rashidun conquest of Byzantine Egypt.