Workers' Socialist Movement - Puerto Rico - was created in 1982.
Socialist Party - Argentina - was created in 1896.
Socialist Workers' Federation was created in 1909.
Socialist Workers Party - UK - was created in 1977.
Workers' Socialist League was created in 1975.
Workers' Socialist Organization was created in 1979.
Jewish Socialist Workers Party was created in 1906.
Workers Socialist Party of Bolivia was created in 1940.
Workers Party of Socialist Unity was created in 1976.
Socialist Workers Organisation - Senegal - was created in 1973.
Workers Organisation for Socialist Action was created in 1990.
Socialist Workers Party of Hungary was created in 1925.