"12,000" . . "siege of Bosra" . . . "Umayyad Caliphate" . . "Siege of Bosra" . . . . "130" . "Bosra, Battle of" . "Ghassanids" . "Bosra" . "4,000" . "Rashidun Caliphate victory" . . . "Rashidun Caliphate" . . "Bosra was conquered" . "Battle of Bosra" . "Siege of Bosra (634)" . "Byzantine Empire" . . . "15pxByzantine Empire" . . . . . . . . "Battle of Bosra" . . . .