• William Henry Harrison, elected in 1840, died of illness while in office
• Abraham Lincoln, elected in 1860, died of assassination while in office
• James A. Garfield, elected in 1880, died of assassination while in office
• William McKinley, elected in 1900, died of assassination while in office
• Warren G. Harding, elected in 1920, died of illness while in office
• Franklin D. Roosevelt, elected in 1940, died of illness while in office
• John F. Kennedy, elected in 1960, died of assassination while in office
• Ronald Reagan, elected in 1980, nearly died of assassination but survived
• George W. Bush, elected in 2000, somehow unscathed
• Joe Biden, elected in 2020, is rumored to be dying……

How many coincidences before it's mathematically imposssible?