'Russian Revolution' definitions:

Definition of 'Russian Revolution'

(from WordNet)
noun
The coup d'etat by the Bolsheviks under Lenin in November 1917 that led to a period of civil war which ended in victory for the Bolsheviks in 1922 [syn: Russian Revolution, October Revolution]
noun
The revolution against the czarist government which led to the abdication of Nicholas II and the creation of a provisional government in March 1917 [syn: Russian Revolution, February Revolution]