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[TIL] There have been 2,121 atomic explosions on Earth since July, 1945

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78E97 TIL that air conditioning was originally invented not for comfort, but to control humidity in a printing company to prevent issues with paper and ink.
epa9E TIL that Tour de France cyclists can eat up to 8000 calories per day averaging around 5000 daily. Three weeks, 21 stages, 3,351km, 176 cyclists and a combined burn of 25 million calories.
0d7wL TIL the longest lasting bubble lasted for 465 days
MeeP8 TIL 9th November is known as the ‘day of fate’ in German history- on the same day, Robert Blum was executed in 1848, Kaiser Wilhelm II abdicated in 1918, Hitler’s Munich Putsch occurred in 1923, Kristallnacht occurred in 1938, and the Berlin Wall came down in 1989.
v1Abx TIL all Treasurers of the USA have been women since 1949. Their signatures appear on all paper money.