20 presidents areĀ George Washington,John Adams,Thomas Jefferson,James Madison,James Monroe,John Quincy AdamsĀ
Andrew Jackson,Martin Van Buren,William Henry Harrison,John Tyler,James Knox ,PolkZachary TaylorMillard, FillmoreFranklin PierceJames BuchananAbraham LincolnAndrew JohnsonUlysses Simpson GrantRutherford Birchard HayesJames Abram Garfield