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TIL for the first Moon landing, the average age of NASA controllers was 26 years old.

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p8eYQ TIL The International Jew, four-volume set of antisemitic booklets, was written by Henry Ford. He is the only American to be mentioned in Mein Kampf.
XPL6 TIL that 29% of San Francisco’s air pollution comes from China
5YyDQ TIL Eratosthenes Calculated the circumference of the earth about 2200 years ago. His calculation 40,000 km (in modern units) is within 1% accuracy of earth’s circumference 40, 072 km (measured by orbiting spacecraft).
mxpLY TIL in 2005 a woman walked alone across the Sahara desert
618J TIL that on September 11th 1973, US-backed General Pinochet overthrew the democratically elected leader of Chile, Salvadore Allende. Pinochet ordered an air strike on the Presidential Palace, labor activists and famous folk guitarists were rounded up for torture, disappeared, and killed.