However, only 44 men have served as president. This is because presidents are numbered by their continuous terms in office. Grover Cleveland, who won two non-consecutive terms in 1884 and 1892, is therefore the 22nd and 24th president. read more
Of the elected presidents, four died in office of natural causes (William Henry Harrison, Zachary Taylor, Warren G. Harding, and Franklin D. Roosevelt), four were assassinated (Abraham Lincoln, James A. Garfield, William McKinley and John F. Kennedy), and one resigned (Richard Nixon). read more