The range of a medieval long-bow is 220 yards.
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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
The first coast-to-coast telephone line was established in 1914.
33
Leonardo da Vinci was dyslexic, and he often wrote backwards.
77
Until President Kennedy was killed, it wasn't a federal crime to assassinate the President.
341
London's Pall Mall became the first street lit by gaslight in 1807!
39