Unified Socialist Party - France - was created in 1960.
Freedom Socialist Party was created in 1966.
Democratic Socialist Party - France - ended in 1954.
Unified Socialist Party - France - ended in 1989.
Republican-Socialist Party was created in 1911.
Socialist Mexican Party was created in 1987.
Silesian Socialist Party was created in 1928.
Gabonese Socialist Party was created in 1992.
Cuban Socialist Party was created in 1899.
Burma Socialist Party was created in 1945.
Praja Socialist Party was created in 1952.
Socialist-Revolutionary Party was created in 1901.