Washington's dentures were in fact made of animal bone and human teeth. Some records suggest that those teeth came from the mouths of slaves.Wikimedia Commons
Adams believed that Jefferson, his great political rival, had outlived him. However, Jefferson himself had actually died just hours earlier. What's more, the date was July 4, 1826, exactly 50 years after the Continental Congress approved the Declaration of Independence. Wikimedia Commons
Monroe was also the only president, other than George Washington, to run unopposed for reelection.Wikimedia Commons
The writings showed, among countless other things, that the sixth president had suffered from depression for most of his life.Wikimedia Commons
When the gun misfired, Lawrence pulled out a second weapon — which also misfired.
An enraged Jackson charged Lawrence with his cane. Both pistols were later found to be working just fine, which means the odds of them both misfiring were 125,000 to 1. Wikimedia Commons
He was also the first president to be born in America. Wikimedia Commons
Harrison was the first presidential candidate to actively campaign for the office, drawing crowds of up to 60,000 fans.
Too bad he let them all down by dying after just a month in office. Wikimedia Commons
They found that he had a normal level of arsenic in his body and concluded that it was cholera contracted from drinking milk on a hot day. Wikimedia Commons
And with that, we give you no Fillmore facts. Wikimedia Commons
"There is nothing left to do but get drunk," he told a friend.Wikimedia Commons
He is the only president that never married, but he lived for years with Alabama Senator William Rufus King.
This arrangement prompted Andrew Jackson to call the two "Miss Nancy and Aunt Fancy." Wikimedia Commons
His mother, alone with the children after their father died, sold him and his brother into servitude, but Johnson eventually ran away to reunite with his mother. Wikimedia Commons
“Find some name beginning with “S” for me,” he joked in a letter to his future wife, Julia Dent. “You know I have an “S” in my name and don’t know what it stands for.”Wikimedia Commons
He was also the first person in America to own a Siamese cat. Bettmann/CORBIS/Getty Images
At the time of the attack, Alexander Graham Bell had tried to find and remove the bullet using an early version of a metal detector. Wikimedia Commons
So when anyone talks about the 45 presidents, be sure to call them out. We've only had 44.Wikimedia Commons
At 21, his wife became the youngest-ever first lady. Wikimedia Commons
At the 1901 Pan-American Exposition, he gave his carnation away to a little girl.
Moments later, he was assassinated.Wikimedia Commons
At 340 pounds, Taft was also our heaviest president.Wikimedia Commons
Harding himself once said, "I am not fit for this office and never should have been here."Wikimedia Commons
The Hooverball championship is held in Hoover’s hometown of West Branch, Iowa every year. Wikimedia Commons
"The next time you see one of those squirrels go near my putting green, take a gun and shoot it!" he told his men. However, the Secret Service opted not to fire guns on White House grounds and instead captured the squirrels and released them in a nearby park.Wikimedia Commons
Johnson's exploits with the organ he nicknamed "Jumbo" include holding a nude press conference aboard Air Force One, literally waving his penis around in the Capitol bathroom, and urinating in the parking lot of the House Office Building.Wikimedia Commons
He began eating them during his California gubernatorial run as a substitute for pipe smoking. Later, when he was president, he kept a jar full of jelly beans on his desk in the Oval Office. Wikimedia Commons
While he was a World War II Navy pilot in the Pacific, Bush's plane was shot down by the Japanese. Unlike the eight other men shot down along with him, Bush managed to narrowly escape Japanese capture. The other eight men, however, were tortured and killed by the Japanese — and some of them were eaten.Wikimedia Commons
During his senior year at Phillips Academy high school, Bush served as head cheerleader.Wikimedia Commons
America's presidents are almost always rendered into history with stories of inspiring heroism or tragic failings — great highs and great lows.
We envision, say, Abraham Lincoln delivering the Gettysburg Address to a rapt audience as the Civil War was tearing the nation apart. Or we remember Richard Nixon leaving the White House by helicopter after the Watergate scandal ended his presidency in disgrace.
Between these great highs and great lows, the history books seldom have room for the bizarre, the droll, the presidential facts that remain positively fascinating even though they had no great impact on history as we know it.
Yet, facts like these are often the ones that provide the most memorable insight into the actual person behind the presidency.
From Thomas Jefferson's little-known invention to Andrew Jackson's unbelievable assassination attempt to John F. Kennedy's secret hobby, the U.S. presidents facts above reveal the single most interesting tidbit about each and every commander in chief that America has ever had.