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TIL The White House had solar heating panels back in 1979

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a8Ly9 TIL As of 2025, there are 43 sovereign states in the world with a monarch as head of state. There are 13 in Asia, 12 in Europe, 9 in the Americas, 6 in Oceania, and 3 in Africa. Of these 43 states, 15 are commonwealth realms with King Charles III as the monarch.
kJJyg TIL: Swedish icon Ikea is really a Dutch charity
PJ7G TIL that US Marine John Kelly was the last person to be awarded 2 Medals of Honor. He ran 100 yards in advance of the front line and attacked an enemy machine gun nest, killed the gunner with a grenade, shot another man with his pistol, and returned with 8 prisoners. He was 19.
nB5b TIL Jewish composer Irving Berlin struggled to pen a Christmas song for the film Holiday Inn. Finally finishing “White Christmas”, he supposedly said “Not only is it the best song I ever wrote, it’s the best song anybody ever wrote!” Bing Crosby’s 1947 record is the bestselling single…of ALL TIME.
awQv9 TIL: People with the sickle cell mutation have crescent (sickle) shaped blood cells that provide resistance against malaria.