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TIL Landing humans on the Moon required the most sudden burst of technological creativity and the largest commitment of resources ever made by any nation in peacetime. At its peak, the Apollo program employed 400,000 people and required the support of over 20,000 industrial firms and universities.

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xVn05 TIL From 1847, Rudolf Wolf started counting sunspots. He peered through a telescope every day, if he could, and recorded the number of spots he observed. Today, all sorts of models use Wolf's sunspot record to predict things like the climate, the orbit of satellites, and the stability of power grids
5VJR8 TIL In 1875, a whiskey warehouse in Dublin caught fire leading to the deaths of 13 people - only none of the deaths were from the fire itself. Rather, it was because the people responded by lapping up streams of undiluted whiskey running through the streets, killing them via alcohol poisoning.
b584 TIL Steven Spielberg developed both Jurassic Park and Schindler’s List simultaneously in 1993. He worked on Jurassic Park at night and Schindler’s List during the day.
Z8RBD TIL about helium-3, an abundant and safe fusion power fuel found in the moon
Oo4n7 TIL Arnold Schwarzenegger wasn't allowed to dub his own role in Terminator in German, as his accent is considered very rural by German/Austrian standards and it would be too ridiculous to have a death machine from the future come back in time and sound like a hillbilly.