Socialists' Party of Catalonia was created on 1978-07-16.
Party of Labour of Catalonia was created in 1979.
Party of European Socialists was created in 1992.
People's Party of Catalonia was created in 1989-01.
Party of the Communists of Catalonia was created in 1982-04.
Communist Workers Party of Catalonia was created in 1973.
Democratic Party of Socialists of Montenegro was created in 1943.
Labour Party Young Socialists was created in 1960.
Unified Socialist Party of Catalonia was created on 1936-07-23.
Party of Socialists of the Republic of Moldova was created on 1997-06-29.
The Italian Socialists was created on 2006-02-07.
Liberal Socialist Party was created on 1956-02-05.
Unified Socialist Party of Catalonia ended in 1997.