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 Ontario was created in 2011.
Socialist Party of Albania was created in 1991.
Socialist Party of Latvia was created in 1994.
Rwandese Socialist Party was created in 1991.
Socialist Party of Tajikistan was created in 1996.
Socialist Party - Australia - was created in 1985.
Socialist Justice Party was created in 1973.
Socialist Party of Slovenia was created in 1990.
Italian Socialist Party was created in 1892.
Socialist Party of Manzanillo was created in 1906.