రాషిదూన్ ఖలీఫాలు: కూర్పుల మధ్య తేడాలు

 

===ఉమర్ ఇబ్న్ అల్ ఖత్తాబ్===

Umar was named caliph through the same deliberation process that had brought Abu Bakr into leadership. During Umar's reign Muslims conquered [[Mesopotamia]], parts of [[Persian Empire|Persia]], [[Egypt]], [[Palestine]], [[Syria]], [[North Africa]] and [[Armenia]].