Bolshevik Revolution: The Bolshevik Revolution refers to the uprising led by Vladimir Lenin's party (the Bolsheviks) against the Provisional Government in Russia in 1917. It resulted in the establishment of a communist government.
Marxism-Leninism: Marxism-Leninism is an ideology that combines Marxist theory with Leninist principles. It emphasizes revolution through class struggle and advocates for a vanguard party to lead the proletariat towards communism.
Soviet Union: The Soviet Union was a socialist state that existed from 1922 to 1991. It was formed under Lenin's leadership after the Russian Revolution and served as an example of implementing communist principles on a large scale.