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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.
(London; Cambridge University Press, 1965). The siege of Constantinople, the capital of the Byzantine Empire and one of the most heavily fortified cities in the world, took place in 1453. Sultan Mehmed II, ruler of the Ottoman Turks, led the assault.The city was defended by, at most, 10,000 men. The Turks had between 100,000 and 150,000 men on their side.London; Cambridge University Press, 1965). The siege of Constantinople, the capital of the Byzantine Empire and one of the most heavily fortified cities in the world, took place in 1453. Sultan Mehmed II, ruler of the Ottoman Turks, led the assault.