Haitian Communist Party was created in 1934.
Haitian Workers Party was created in 1966.
Party of the Communists of Catalonia was created in 1982-04.
Mariateguist Unified Party was created in 1984.
Party of Italian Communists was created on 1998-10-11.
Unified Communist Party of Spain was created in 1980.
Unified Egyptian Communist Party was created in 1955.
Revolutionary Workers' Party-Unified was created in 1984.
Unified Socialist Party of Mexico was created in 1981.
Unified Lumumbist Party was created on 1964-08-22.
Unified Progressive Party was created on 2011-12-05.
Unified Communist Party of Italy was created in 1977.