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  The Marxists formed the Russian Social Democratic Party.
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  The Russian Social Democratic Party splits into two groups.
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  Thousands of men, women, and children peacefully marched to Czar Nicholas' winter palace in St. Petersburg, the capital.
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  The army crushed an uprising in Moscow and police arrested the members of the St. Petersburg soviet, including revolutionary leader Leon Trotsky.
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  Trotsky escapes and goes into exile.
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  Germany declared war on Russia.
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  A group of Russian nobles loyal to the Czar murdered Rasputin.
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  (February 25, on old russian calender.)
Strikes and riots over food and coal shortages broke out in Petrograd. - 
  
  Government forced Czar Nicholas to abdicate.
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  Trotsky returns to Petrograd.
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  Trotsky was chosen to the head Soviet in Petrograd.
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  (October 25, 1917 on old calender)
A Bolshevik-led army of workers, soldiers, and sailors took control of key positions in Petrograd. - 
  
  The all Russian congress of Soviets authorized the Bolsheviks to set up a council of peoples commisars to run the national government.
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  Russia negotiated a cease-fire.
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  Nicholas and his family are killed by Bolsheviks in Yekaterinburg.
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  Bolshevik government moved capital of Russia from Petrograd to Moscow.
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  Government signed treaty of Brest-Litovsk to prevent German invasions
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  A Soviet constitution went into effect.
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  By 1920, communists had won and the revolution was complete.
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  The Russian communist government formed the Union of Soviet socialist Republics, or Soviet Union
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  Joseph Stalin became general secretary of the communist party.
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  Trotsky dies.
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  Stalin dies.
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  Communist system ended in Russia.