Catholic Party - Belgium - was created in 1869.
Communist Party of Belgium was created in 1921.
Pirate Party Belgium was created on 2009-06-28.
Irish Workers' Party was created in 1948.
Workers Party of Hungary was created in 1878.
Workers' Party of Tarija was created in 1942.
Workers Party of Turkey was created in 1961.
Haitian Workers Party was created in 1966.
Workers' Party - Paraguay - was created in 1989.
Burundi Workers' Party was created in 1979.
Workers Party of Barbados was created in 1985.
Workers' Vanguard Party was created in 1978.