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Constantinople becomes the capital of the eastern Roman empire
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Rurik begins his rule of Novgorod's establishing the rus dynasty
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Justinian begins his rule of the Byzantine empire
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Pope Leo crowns Charlemagne emperor of. The romans
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Mongol armies called the Golden Hoerde to conquer Russia
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Poland- Lithuania becomes the largest state in Europe
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Constantinople falls to the Turks
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Ivan the great begins his reign in Russia