Political Parties

Pre-Civil War Democratic Party

Period: Sep 30, 1792 to Sep 30, 1869

http://www.pbs.org/wnet/jimcrow/stories_org_democratic.html

Classical Republican Party

Period: Sep 30, 1854 to Sep 30, 1960

http://www.ushistory.org/gop/origins.htm

Modern Democratic Party

Period: Sep 30, 1940 to Sep 30, 2014

http://www.todayifoundout.com/index.php/2013/03/the-origin-of-the-american-democratic-party/

Libertarian

Period: Sep 30, 1971 to Sep 30, 2014

http://www.lp.org/introduction/americas-third-largest-party

The Soclialist Party

Period: Sep 30, 1980 to Sep 30, 2014

http://socialistparty-usa.net/who-we-are.html

The Green Party

Period: Sep 30, 1996 to Sep 30, 2014

http://www.gp.org/what-we-believe/about-us

The Tea Party

Period: Sep 30, 2006 to Sep 30, 2014

http://www.theguardian.com/world/2010/oct/05/us-midterm-elections-2010-tea-party-movement