Eras

Jefferson Method: 1792 - 1842

• Favored by Large States

• Implemented After Washington Vetoed Hamilton's Method

Webster Method: 1842 - 1852

Hamilton Method: 1852 - 1911

• First Proposed in 1792, but it was Veto-ed by Washington in Favor of the Jeffersonian Method, which gave his home State of Virgina an Extra Seat

Webster Method: 1911 - 1940

Huntinton-Hill Method: 1940 - Now

source: http://www.personal.psu.edu/pls5/ApportionHistory.html