Polish United Workers' Party was created on 1948-12-21.
Polish Workers' Party was created in 1942.
Polish United Workers' Party ended in 1990.
Polish Socialist Workers Party was created in 1921.
Workers Party of the United States was created in 1934.
United Socialist Workers' Party was created in 1993.
United Workers Party - Saint Lucia - was created in 1964.
Socialist Workers Party - United States - was created in 1938.
United Jewish Socialist Workers Party was created in 1917.
Polish Workers' Party ended in 1948.
International Workers Party was created in 1974.
The Workers Party of the United States was founded in December 2019 by a group of activists, socialists, and union members who wanted to create a party specifically focused on the needs of the working class.
Polish National Party was created on 2004-03-22.