Little-known facts about US presidents will leave you in disbelief

While U.S. presidents risk airing all their dirty laundry out once they take the oath of office ... there's probably more odd details about their lives the public doesn't know.

George H.W. Bush was part of a secret society during his time at Yale University, while Abraham Lincoln was an avid wrestler.

But Lyndon B. Johnson takes the cake when it comes to weirdness. The 36th president of the United States had some very specific requests about the White House bathroom. Check out the slideshow above to find out what it is.

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