Portuguese Socialist Party was created in 1875.
Freedom Socialist Party was created in 1966.
Socialist Republican Party - Sudan - was created in 1951.
Unified Socialist Party of Mexico was created in 1981.
Social Democratic Action was created in 1951.
National Socialist People's Party of Sweden was created in 1926.
Portuguese Socialist Party ended in 1933.
Freedom Socialist Party was created in 1966.
Socialist Party of Massachusetts was created in 197#.
Socialist Party of Yugoslavia was created in 1921.
Socialist Party of Albania was created in 1991.
Socialist Party of Slovenia was created in 1990.
Socialist Party of Manzanillo was created in 1906.
Italian Socialist Party was created in 1892.
Socialist Reich Party was created in 1949.
Socialist Party of Washington was created in 1901.
Scottish Socialist Party was created in 1998.
Socialist Party of Tajikistan was created in 1996.