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TIL The Universe has an average colour – and it’s called cosmic latte

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R7Nk4 TIL that Anna, Empress of Russia from 1730 to 1740, forced Prince Golitsyn to marry an unattractive maid. The couple had to spend their wedding night in an ice palace with icy beds, despite it being extremely cold. Eventually, the maid traded a necklace for a coat from a guard, and they survived.
79OM TIL Underneath Beijing there is a city spanning 33 square miles called Dixia Cheng. It was built in the 1970’s due to rising tensions between China and the Soviet Union.
n0RB TIL in the 70s, while Watergate was raging, a far more widely affecting scandal was being exposed: COINTELPRO – decades of FBI abuse of power and assassinations against political groups and individuals, incl. Martin Luther King, students, pacifists, women’s rights campaigners and notable Americans.
v1MWK TIL that a solar storm in 2012 with a strong Coronal Mass Ejection (CME) missed Earth by nine days. Had the CME hit Earth, it would have inflicted serious damage to worldwide electronic systems and cost up to $2.6 trillion. The recovery time from such a disaster would have been about 4 to 10 years
VMDmZ TIL in the 1950s an American economist (Armen A. Alchian) figured out lithium was used to fuel Hydrogen bombs just by looking at publicly-available stock prices.