Communist party
Click here for the Communist Party of the United States of America.
The 'Communist Party' usually refers to the Bolshevik Party which followed various interpretations of Marxism/Leninism/Stalinism in the USSR from 1917 to 1991. The Bolshevik Party overthrew the provisional government of Alexander Kerensky regime in 1917 under Vladimir Ilyich Lenin and Leon Trotsky during the "October Revolution" seizing and consolidating power.
Other well-known Communist Parties include the Chinese Communist Party and the Vietnamese Communist Party. They both currently hold power in their respective countries but do not explicitly follow what Marxist doctrines. In Russia, the second biggest political party is the Communist Party, but it is not a descendant of the Bolshevik Party.