The ten years 1917–1927 saw a radical transformation of the Russian Empire into a socialist state, the Soviet Union. Soviet Russia covers 1917–1922 and Soviet Union covers the years 1922 to 1991. After the Russian Civil War (1917–1923), the Bolsheviks took control. They were dedicated to a version of Marxism developed by Vladimir Lenin. It promised the workers would rise, destroy capitalism, and c... Wikipedia