Unified Socialist Party - France - ended in 1989.
Unified Socialist Party of Mexico was created in 1981.
Unified Socialist Party of Catalonia was created on 1936-07-23.
Socialist Party - France - was created in 1969.
Freedom Socialist Party was created in 1966.
Unified Socialist Party of Catalonia ended in 1997.
Democratic Socialist Party - France - ended in 1954.
Burma Socialist Party was created in 1945.
Nicaraguan Socialist Party was created in 1944.
Belgian Socialist Party was created in 1945.
Yemeni Socialist Party was created in 1978.
Republican-Socialist Party was created in 1911.