"Sassanid conquest of Fars"@en . "Heavy" . . . . "Rashidun Caliphate" . . "Rashidunvictory" . . . . "The Muslim conquest of Fars took place from 638/9 to 650/1, and ended with subjugation of the important Fars Province to the Rashidun Caliphate."@en . . . . "Sasanian Empire" .