Image: Mohammad adil rais-Caliph Umar's empire at its peak 644

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Description: Mohammad adil rais-Caliph Umar's empire at its peak 644
Title: Mohammad adil rais-Caliph Umar's empire at its peak 644
Credit: http://en.wikipedia.org/wiki/File:Mohammad_adil_rais-Caliph_Umar%27s_empire_at_its_peak_644.PNG
Author: Mohammad adil
Usage Terms: Creative Commons Attribution-Share Alike 3.0
License: CC BY-SA 3.0
License Link: http://creativecommons.org/licenses/by-sa/3.0
Attribution Required?: Yes

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