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  Augustus formed alliances and fought bloody battles to win control of the empire
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  Octavian took control of the roman world
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  Augustus becomes the first roman emperor
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  According to Christian tradition, Jesus is born
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  The roman empire reaches its largest extent
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  Emperor Constantine ends the persecution of Christians in the empire.
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  The western Roman empire collapses
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  Justinian becomes Byzantine emperor
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  Great Schism divides Eastern Orthodox and Roman Catholic churches
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  Constantinople falls ton the Ottoman Turks. Byzantine empire ends.