Harrison served the shortest term of any president, only 32 days. He contracted pneumonia, likely due to exposure during his long inaugural address, and succumbed shortly after taking office.
He was the first president to die in office, setting a precedent that would be followed by seven others.
Taylor was a career military officer before becoming president, earning fame as a general in the Mexican-American War.
His tragic end came suddenly in 1850, just 16 months into his presidency. The exact cause is uncertain, but it was likely due to gastroenteritis or cholera.
Lincoln is the only U.S. president to have obtained a patent. In 1849, he patented a device to lift boats over shoals and obstructions in a river, but it was never manufactured.
Lincoln was fired upon by John Wilkes Booth while attending a play at Ford's Theatre in Washington, D.C., on April 14, 1865. He died the following day, becoming the first president to die at the hands of another person.
Garfield was fired upon by Charles J. Guiteau, a disgruntled office seeker, on July 2, 1881. Garfield survived for 11 weeks before succumbing to complications from his wounds.
Apparently, Garfield could write in Greek with one hand while writing in Latin with the other simultaneously and would do this trick to entertain his friends.
McKinley was the first president to ride in an automobile while in office and the first to be elected for a second term.
During that second term, the president was fired upon by anarchist Leon Czolgosz while attending the Pan-American Exposition in Buffalo, New York, on September 6, 1901. He died eight days later from gangrene caused by the wounds.
Harding died suddenly of a heart attack in San Francisco, California, on August 2, 1923, while on a cross-country trip.
His administration was marred by scandal, including the Teapot Dome scandal, one of the most infamous in American history.
Roosevelt died of a cerebral hemorrhage while vacationing in Warm Springs, Georgia, on April 12, 1945, just a few months into his fourth term as president.
Interestingly, Roosevelt was the only president to be elected to more than two terms, serving four terms in office.
Kennedy was the youngest person ever elected to the presidency, at age 43.
Kennedy was fired upon by Lee Harvey Oswald while riding in a motorcade with his wife, Jackie, in Dallas, Texas, on November 22, 1963.
