The Russian Revolution is the collective term for the series of revolutions in Russia in 1917, which destroyed the Tsarist autocracy and led to the creation of the Soviet Union. The Russian Revolution of 1917 is also called the Bolshevik Revolution or the October Revolution. In 1917 there were actually two revolutions in Russia. One was the February Revolution in which the Tsar abdicated his throne and the Provisional Government took power. The other was the October Revolution in which the Provisional Government was overthrown by the Bolsheviks.
During the Russian Revolution, the Russian got involted into World War I, and during that time, when they were fighting to the Germany, they were losing so badly, lots of the people were kill during the war.
Bolsheviks was the leader of the Russian Revolution, the reason that the revolution starts because of the people were tiredof the government so they wanted a change.