Unified Socialist League was created in 1962.
Unified Socialist Party of Mexico was created in 1981.
Unified Socialist Party - France - was created in 1960.
Unified Socialist Party of Catalonia was created on 1936-07-23.
Greek Socialist League was created in 1953.
Socialist League of Palestine was created in 1936.
Workers' Socialist League was created in 1975.
Agrarian Socialist League was created in 1900.
National Socialist League was created in 1937.
Socialist League Vpered was created in 2005.
Fife Socialist League was created in 1953.
Socialist League - Venezuela - was created in 1973.
Socialist Propaganda League was created in 1911.