22.Grover Cleveland (only one to serve two non-consecutive terms 1885-1889 & 1893-1897 23.Benjamin Harrison (the only president who was a grandson of a president) 25.William Mckinley (3rd president to be assassinated) 26.Theodore Roosevelt (the only president to receive the medal of honor) 27.William H. Taft (1st president to be buried at Arlington) 28.Woodrow Wilson (the only president buried in Washington DC) 29.Warren G. Harding (ranked as one of the least successful presidents) 30. ...