. . . "Byzantine Empire" . . . . "conquest of Aleppo" . "Battle of Aleppo" . . . . "Aleppo" . . . . . "Minimal" . . "Siege of Aleppo (637)" . . "Siege of Aleppo" . . . . . "Rashidun Caliphate" . "Umayyad Caliphate" . . "siege to Aleppo" . . "Ghassanids" . "17,000" . "Siege of Aleppo (637)" . . . . "Aleppo, 637 Siege of" . "taken" . . . "Rashidun Caliphate victory" . "Unknown" . . . "15pxByzantine Empire" .