What were the political parties in 1776? The Federalist Party, founded largely by Alexander Hamilton, and the Jeffersonian Democratic-Republican Party, formed by Thomas Jefferson and James Madison, ...

Jefferson and his colleagues formed the Republican Party in the early 1790s. By 1795, the Federalists had become a party in name as well. After John Adams, their candidate, was elected president ...

Here are the number of Democratic and Republican presidents the US has had, and the longest-serving president in U.S. history ...