Surprising facts about all 46 US presidents
Celebrate Inauguration Day with a look back at every commander-in-chief's quirks
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Inauguration Day marks a big change for the US, as an entirely new leader, each with their own complicated history and personal quirks, enters the highest office of the nation.
As Joe Biden is sworn is as the the 46th President today, let's take a walk through history to find out some little-known facts about the US presidents past.
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