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In about 610 Muhammad began receiving the Quranic revelations
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Muhammad put together the Constitution of Medina in 622.
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632 marked the death of Muhammad and the start of Islamic conflict
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In 633 Abu Bakr had military campaigns against ex-Muslims
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In 634 Abu Bakr declared war on Byzantine Empire.
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Caliph Umar ordered full invasion of Sassanid Empire in 642
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Uthman was a Caliph from 644 to 656.
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In 656 Ali becomes the ruler of the Islamic state.
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Ali was assassinated in 661 after a civil war began during his reign.
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In 750, rebels overthrew the Umayyad Dynasty. Then a new dynasty emerged called the Abbasid Dynasty.