Green Party of the United States was created in 1991.
Union Party - United States - was created in 1936.
Workers Party of the United States was created in 1934.
Justice Party - United States - was created in 2011.
Opposition Party - United States - was created in 1854.
Whig Party - United States - was created in 1833.
Democratic Party - United States - was created in 1828.
Constitution Party - United States - was created in 1991.
Citizens Party of the United States was created on 2004-11-02.
Reform Party of the United States of America was created in 1995.
Socialist Workers Party - United States - was created in 1938.
Liberal Republican Party - United States - was created in 1870.
World Socialist Party of the United States was created in 1916.