The flushing toilet was invented in 1596, not by Thomas Crapper as most people think, but by Sir John Harington.
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The first bomb dropped on Germany in WWII killed the only elephant in the Berlin zoo!
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During World War 1, Harry Houdini took 1 year off performing to help sell war bonds and teach american soldiers how to escape from German handcuffs.
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Only eight men were killed in the battle of lexington!
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The oldest stone tools found are dated from 2.7 - 2.9 million years ago. The species that made these tools is unknown.
13
During the Cold War, the US had planned to detonate a nuclear weapon on the moon.
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