Wikipedia:Today's featured list/September 15, 2014
During the history of the United States, eight presidents have died in office. Of those eight, four were assassinated and four died of natural causes. William Henry Harrison holds the record for shortest term served, holding the office of presidency for 31 days before dying of pneumonia. Zachary Taylor died from acute gastroenteritis. Abraham Lincoln was the first president to be assassinated (assassination pictured). President James A. Garfield was assassinated by Charles J. Guiteau. President William McKinley died from complications after being shot twice by Leon Czolgosz. President Warren G. Harding suffered a heart attack and died. Franklin Delano Roosevelt collapsed and died as a result of a cerebral hemorrhage. The most recent president to die in office was John F. Kennedy, who was assassinated with two rifle shots on November 22, 1963. (Full list...)