What happened as a result of the March Revolution in Russia in 1917?

The March Revolution was one of two parts of revolutions in Russia in 1917 that ended Tsarist autocracy and led to the rise of the Soviet Union. After the bloodshed of 1905, Tsar Nicholas II promised the formation of a series of representative assemblies, or Dumas, to work toward reform. The Duma was considered to be the Russian parliament.

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