That's totally up to the list-maker, unless there is a standard where the list resides.
Nothing. Zachary Taylor died while in office.
There have been eight U.S. presidents who died while serving in office. They are William Henry Harrison, Zachary Taylor, Abraham Lincoln, James A. Garfield, William McKinley, Warren G. Harding, Franklin D. Roosevelt, and John F. Kennedy. Each of these presidents passed away for various reasons, such as illness, assassination, or complications from medical procedures.
No, while in office he was with Nancy and he died married to her.
Martin Luther King, Jr. died April 4, 1968 in Memphis, Tennessee, after an assassination. He was shot while on a balcony at the Lorraine Hotel.
Eight
Martin Luther King Jr. died by assassination. He was shot by a sniper in 1968, while he was standing on the balcony outside his room.
Warren Harding and Zachary Taylor both died somewhat mysteriously while in office. Poison was suspected by outsiders in both cases.
Assassination of Sokratis Giolias died in 2010.
Assassination of Lalith Athulathmudali died in 1993.
Assassination of Daya Pathirana died in 1986.
Eight in total; four assassinated and four of illness or natural causes. William Henry Harrison: pneumonia Zachary Taylor: gastroenteritis Abraham Lincoln: assassination James A. Garfield: assassination William McKinley: assassination Warren G. Harding: heart failure Franklin D. Roosevelt: stroke John F. Kennedy: assassination
Four died in April. Wm Harrison , Lincoln and FDR died in April while in office. Nixon died after he had left office.