Gabonese Socialist Party was created in 1992.
Valencian Socialist Party was created in 1962.
Zionist Socialist Workers Party was created in 1904.
Socialist Party USA was created on 1973-01-01.
Socialist Workers Party - Ireland - was created in 1971.
German Socialist Labour Party of Poland was created on 1925-08-09.
Gabonese Socialist Union was created in 1991.
Gabonese Progress Party was created in 1990.
Gabonese Democratic Party was created on 1968-03-12.
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.
Silesian Socialist Party was created in 1928.
Cuban Socialist Party was created in 1899.