Development of 2 party system in US By carolinem1 Apr 29, 1788 anti-federalist formed opposing ratification of constitution in 1788 Period: Jan 1, 1796 to Jan 1, 1824 Federalists and Jeffersonians Nov 18, 1800 jefferson defeats j. adams Nov 19, 1828 Democratic party formed Nov 19, 1840 Whig party formed