The National Union Party was the name used by the Republican Party and elements of other parties for the national ticket in the 1864 presidential election...

The Constitutional Union Party was a United States third party active during the 1860 elections. It consisted of conservative former Whigs, largely from...

The National Republican Party, also known as the Anti-Jacksonian Party or simply Republicans, was a short-lived political party in the United States that...

The Union Party was a short-lived political party in the United States, formed in 1936 by a coalition of radio priest Father Charles Coughlin, old-age...

The Democratic Party is one of the two major contemporary political parties in the United States. Since the 1850s, its main political rival has been the...

Party USA, officially the Communist Party of the United States of America (CPUSA), also known as the American Communist Party, is a communist party in...

political parties since shortly after the founding of the republic of the United States. Since the 1850s, the two largest political parties have been...

National Party was an early-20th-century national political organization in the United States founded by pro-war defectors from the Socialist Party of...

Confederate States in the American Civil War, preserving the Union and abolishing slavery. Afterward, the party largely dominated the national political...

reflected the fact that no formal political parties had formed at the national level in the United States prior to 1789, though the country had been broadly...