How did William McKinley die ?
William Henry Harrison ( 1841 , pneumonia and pleurisy from undisclosed illness ) Zachary Taylor ( 1850 , gastroenteritis ) Abraham Lincoln ( 1865 , assassinated ) James Garfield ( 1881 , assassinated ) William McKinley ( 1901 , assassinated ) Warren G. Harding ( 1923 , suspected heart attack ) Franklin Delano Roosevelt ( 1945 , cerebral hemorrhage ) John F. Kennedy ( 1963 , assassinated ) Facts .