Some presidential trivia:

- Martin Van Buren was the first president born an American citizen.- Only one elected president - Franklin Pierce in 1856 - has ever been denied renomination by his own political party.

- Fifteen U.S. presidents were elected with less than 50 percent of the total vote.

- Benjamin Harrison was the first president to have electricity put in the White House. He didn't trust it, so the servants had to switch the lights on and off.