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  Lenin's brother, Alexander Ulyanov, is hanged for plotting to kill Czar Alexander III.
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  Czar Alexander III dies after a sudden illness and his son, Nicholas II, becomes the ruler of Russia.
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  Lenin is arrested, kept in solitary confinement for 13 months, and then exiled to Siberia for three years
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  Nicholas II crowned czar of Russia
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  The Russian Social-Democratic Labor Party (RSDLP) meeting in which the Party splits into two factions: Mensheviks ("minority") and Bolsheviks ("majority")
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  After having four girls, Czarina Alexandra gives birth to a son, Alexei
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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 Russian Revolution by promising civil liberties and an elected parliament (Duma)
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  A constitution (the Fundamental Laws of 1906) is created, reflecting the promises made in the October Manifesto
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  World War I begins
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  Czar Nicholas II assumes supreme command of the Russian Army
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  The February Revolution begins with strikes, demonstrations, and mutinies in Petrograd.
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  Czar Nicholas II and his family are executed.
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  The Union of Soviet Socialist Republics (U.S.S.R.) established
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  Lenin dies; Stalin will become his successor