. . "Ghassanids" . "Unknown" . "Siege of Aleppo."@en . "Byzantine Empire," . "The Siege of Aleppo, the Byzantine stronghold and one of few remaining Byzantine castles in the northern Levant after the decisive Battle of Yarmouk, was laid between August and October 637."@en . "Rashidun Caliphate" . . . . "Decisive victoryby theMuslims" . "17,000" . . "Minimal" .