Polish United Workers' Party was created on 1948-12-21.
Polish United Workers' Party ended in 1990.
Polish Workers' Party was created in 1942.
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.
United Jewish Socialist Workers Party was created in 1917.
Socialist Workers Party - United States - was created in 1938.
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.
The Polish Communist Party used to be called the Polish United Workers' Party. In 1989, the party was dissolved and many of its members joined socialist parties such as Social Democracy of the Republic of Poland which in turn became a constituent of the Democratic Left Alliance.