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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.
In Spring of 1099 the Crusaders laid a siege on Jerusalem. But on July 5, 1099, they charged in and attacked. The crusaders did the same thing all over Syria and Palestine as well. They ended up with a strip of land more than 500 miles long in the Mediterranean.