Contrary to popular belief, the first ironclad warships were built by Korea in the 16th century.
14
The first known contraceptive was crocodile dung, used by Egyptians in 2000 B.C.
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There’s a Swedish power metal band called “Sabaton” who teach history through their music, including an album devoted to teaching about World War Two.
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Tablecloths were originally meant to serve as towels with which guests could wipe their hands and faces after dinner.
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In 1963, the US Military created an artificial ring around Earth, similar to that of the planet Saturn. The ring was made of copper needles and was used for worldwide communications in the case that the Soviets disabled all other methods of communication.
26
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.
34
The Mint once considered producing doughnut-shaped coins!
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