. "Battle of Babylon" . . "Rashidun Caliphate" . "Sassanid Empire" . . "(Rashidun army)" . . . "Rashidunvictory" . . "Sasanian Empire" . "Battle of Babylon (636)" . "Unknown" . . . . "meet a force of Firuzan" . . "Battle of Babylon (636)" . . . . . "Second siege of Babylon" . . "(Sassanid army)" . . . "Unknown" .