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TIL in 1983 a Russian radar detected the launch of Minuteman missiles by the U.S. The radar operator correctly identified the detection as a false alarm and is credited with averting a likely counterstrike by the Russians which would have started a nuclear war.

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PYNJE TIL about Project Mohole, a failed attempt in the 1960s to drill all the way through the Earth’s crust to reach the mantle
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dD988 TIL players on the official forum for the game War Thunder have regularly leaked classified or restricted documents to win arguments over the real-world capabilities of weapons featured in the game
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