Irish Workers' Party was created in 1948.
Independent Irish Party was created in 1852.
Irish Parliamentary Party was created in 1874.
Irish Mental Hospital Workers' Union was created in 1912.
Irish Socialist Republican Party was created in 1896.
Workers' Party of Tarija was created in 1942.
Workers Party of Hungary was created in 1878.
Workers World Party was created in 1959.
Workers' Cause Party was created in 1995.
Workers Party of India was created in 1943.
Workers Party of Turkey was created in 1961.
Haitian Workers Party was created in 1966.
Workers' Party - Paraguay - was created in 1989.