American Political Parties

Federalist Party

Period: Sep 30, 1790 to Sep 30, 1820

http://www.history.com/topics/federalist-party

Democratic Republic Party

Period: Sep 30, 1791 to Sep 30, 1825

http://us-political-parties.findthebest.com/

Democratic Party

Period: Sep 30, 1792 to Sep 30, 2014

http://www.britannica.com/EBchecked/topic/157244/Democratic-Party

Whig Party

Period: Sep 30, 1834 to Sep 30, 1850

http://www.history.com/topics/whig-party

Know Nothing Party

Period: Sep 30, 1840 to Sep 30, 1856

http://www.u-s-history.com/pages/h140.html

Republican Party

Period: Sep 30, 1854 to Sep 30, 2014

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

Socialist Labor Party of America

Period: Sep 30, 1877 to Sep 30, 1960

http://www.encyclopedia.com/topic/Socialist_Labor_party.aspx

Libertarian Party

Period: Sep 30, 1971 to Sep 30, 2014

http://www.britannica.com/EBchecked/topic/339320/Libertarian-Party

Green Party of the United States

Period: Sep 30, 1984 to Sep 30, 2014

http://us-political-parties.findthebest.com/

Constitutional Party

Period: Sep 30, 1992 to Sep 30, 2014