In 1945, Dwight D. Eisenhower predicted that people would try to dispel the holocaust as a falsehood, and ordered all possible photographs taken of the Nazi crimes to hinder any such attempts.
There's only one country in the world that doesn't use the metric system.
The Guinness brewery supported all of it's employees who chose to fight in WW1. They were paid half of their wages while away, and their jobs were guaranteed upon their return. The brewery also sent them care packages containing chocolate and condensed milk.
The population of the United States increases by one person every 12 seconds.