Dogs,cats and birds have often found a home in the White House.There have also been some unique pets such as John Quincy Adams' pet alligator,Martin Van Buren two tiger cubs and James Buchanan's elephant. President Coolidge had a wallaby and a pygmy hippo and Theodore Roosevelt had a lion, hyena, five bears, a piebald rat, and a zebra. Only Presidents Arthur, Fillmore and Piece had no pets.Factmonster.com

President Washington was an avid spelunker,enjoying exploring caves.

President Franklin D. Roosevelt was the only president to be electedfour times.The constitution was later changed to allow only two four-year terms.

President Theodore Roosevelt named the Executive Mansion or President's House, the White House.

The first president to wear a beard was President Lincoln.Washingtonpost.com

Only President George Washington didnot live in the White House. It was opened in 1800.

The Star-Spangled Banner became the National anthem under President Herbert Hoover.

President William Henry Harrison only served one month after taking the oath of office, dying from pneumonia.Washingtonpost.com

President Van Buren is said to have started the expression OK, signing paper with his "Old Kinderhook" nickname.Answers.com

Left handed President James Garfieldcould write with both hands at the same time and in different languages such as Greek and Latin.

President John K. Kennedy was the first president who had been a boy scout in his youth.

President George W. Bush was appointed President in 2000 by Supreme Court after the election results gave him more electoral votes but his opponent, Al Gore won the popular vote. John Quincy Adams, Rutherford B. hayes and Benjamin Harrison also won the presidency without the majority of the voters.