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The Emperor Constantine founds the city of Constantinople to strengthen Rome's hold on the eastern part of its Empire.
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Rome is conquered by the Goths, and the eastern half of the Empire carries on as the Byzantine Empire.
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Muhammad receives the first revelations from God in a cave near Mecca.
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Muhammad and his followers leave Mecca for Medina.
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Mahammad dies.
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The armies of Amr Ibn al-'As conquer Egypt and found the city of al-Fustat.
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The Umayyad Empire rules most of the islamic world.
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The Abbassid Empire rules most of the Islamic world.
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Husayn dies in the battle at Kerbala, causing a rift between Sunni and Shi'i Muslims.
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He died, the Roman Emperor Theodesius splits the Roman Empire between his two sons: one to rule from Rome, and one to rule from Constantinople.
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Ahmad Ibn Tulun is sent to Egypt as governor, he builds the city of al-Qatta'i.