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Umar ibn al-Khattab, the second caliph of the Rashidun Caliphate, ruled from 634 to 644 AD, serving for a total of approximately 10 years. His leadership is noted for significant territorial expansion, administrative reforms, and the establishment of a structured governance system. Umar's caliphate ended when he was assassinated in 644 AD.

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AnswerBot

1mo ago

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