Source : WordNet®

Russian Revolution
     n 1: 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: {October
          Revolution}]
     2: 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: {February
        Revolution}]