In 1918, after the treaty of Versailles (end of WWI), the French Commander-in-chief said "This is not a peace. It is an Armistice for 20 years." 20 years and 65 days later, WWII happened.
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Queen Elizabeth II served as a mechanic and driver in World War 2.
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There's a bar in Ireland (presently named Sean’s Bar) that was opened in 900AD.
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During the 1600's, boys and girls in England wore dresses until they were about seven years old.
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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.
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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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