During the American Revolutionary War, John André, a British Army officer, was hanged as a spy by the Continental Army.
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A team of scientists invented the sports drink Gatorade in a University of Florida lab.
Three Russian cosmonauts returned from space after spending a record time of 237 days in orbit.
After 67 years of colonial rule, the Republic of Guinea gained independence from France.
After a 5-year voyage around the Atlantic and Pacific oceans, Charles Darwin returned to England.
Adolf Hitler's German military attacked Moscow.