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The Russian Social-Democratic Labor Party splits into Bolsheviks and Mensheviks.
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Bloody Sunday in St. Petersburg begins the 1905 Russian Revolution.
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The October Manifesto issued by Czar Nicholas II brings an end to the 1905 revolution and promises civil liberties and an elected parliament.
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Czar Nicholas II takes total control of Russian Army.
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Provisional Government is established because the son of Nicholas refused the throne.
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Bolsheviks take control over the last holdout of the Provisional Government and Lenin becomes ruler of Russia.
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Lenin died, Stalin will become his successor.