Socialist Party of Greece was created in 1920.
Democratic Socialist Party of Greece was created in 1935.
Independent Socialist Party - Greece - was created in 1931.
Freedom Socialist Party was created in 1966.
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.
Socialist Mexican Party was created in 1987.
Gabonese Socialist Party was created in 1992.
Silesian Socialist Party was created in 1928.