Workers Party of the United States ended in 1936.
Polish United Workers' Party ended in 1990.
Workers' Council of the United States ended in 1921.
Whig Party - United States - ended in 1856.
Liberal Republican Party - United States - ended in 1876.
Social Democratic Party - United States - ended in 1901.
Natural Law Party - United States - ended in 2004.
United States Independence Party ended in 1914.
American Workers Party ended in 1934.
Polish Workers' Party ended in 1948.
Mexican Workers' Party ended in 1987.
Wage Workers Party ended in 1910.
Communist Workers Party - Denmark - ended in 1994.