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570
Muhammad is born in the city of Mecca
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610
The religion of Islam begins when Muhammad receives the first revelations of the Quran
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622
Hijrah
Muhammad and his followers move to Medina to escape persecution in Mecca whis is known as the "Hijrah" and marks the beginning of the Islamic calendar. -
630
Muhammad returns to Mecca
Muhammad returns to Mecca and gains control of the city. Mecca becomes the center of the Islamic world. -
632
beginning of the Rashidun Caliphate
Muhammad dies and Abu Bakr succeeds Muhammad as leader of the Islam faith. He is the first of the four "Rightly Guided" Caliphs. This also marks the beginning of the Rashidun Caliphate. -
635
Umar becomes the second Caliph
Umar becomes the second Caliph. The Islamic Empire expands during his rule to include much of the Middle East including Iraq, Egypt, Syria, and part of North Africa.