| A | B |
|---|
| Founded in 1901, with major member Eugene V. Debs, who ran for president many times(record high: 6%) | Socialist Party |
| Founded in 1828, known as america's first third party, with the first US presidential nominating convention | Anti-Masonic Party |
| Founded in 1848, union of anti-slavery factions from the two major parties, the Barnburner Democrats and Conscience Whigs | Free Soil Party |
| Founded in 1843, was anti-Catholic and anti-immigrant, also a major player in the election of 1856 | Know-Nothing Party |
| Founded in 1891, opposed to the elites of the banking and railroad industries | Populist Party |
| Founded in 1912, was created after Theodore Roosevelt was unable to reclaim the Republican nomination from his former ally William Howard Taft | Bull Moose Party |
| Founded in 1948, by Southern Democrats to oppose president Truman’s re-election bid | Dixiecrat Party |
| Founded 1919, many attemps to ban this party, later to be found out that it was controled by Moscow | Communist Party of the United States of America |
| Founded in 1967, formerly known as the American Independent Party | Constitution Party |
| Founded in 1995, created to follow up on Ross Perot’s 1992 independent campaign for President | Reform Party |
| Founded in 1991, cites ecological sustainability, social justice, and fair democracy among its goals, and is known for being the 4th largest party currently | Green Party |
| Founded in 1971, 3rd largest party, and is usually fiscally conservative, while socially liberal | Libertarian Party |
