No one knows who designed the first American Flag.
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Approximately 40% of the U.S. paper currency in circulation was counterfeit by the end of the Civil War.
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A B-25 bomber airplane crashed into the 79th floor of the Empire State Building on July 28, 1945.
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The oldest patented company logo is the red triangle of Bass beers!
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During the Cold War, the US had planned to detonate a nuclear weapon on the moon.
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Leonardo da Vinci could write with one hand and draw with the other at the same time.
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Pierre Jaquet-Droz, a watchmaker, 240 years ago invented a robot that could write, and the parts could be interchanged to say whatever you want.
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Queen Elizabeth II served as a mechanic and driver in World War 2.
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