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TIL During the Second World War, the Japanese army poisoned more than 1,000 water wells in Chinese villages to study cholera and typhus outbreaks. Japanese planes dropped plague-infested fleas over Chinese cities or distributed them by means of saboteurs in rice fields and along roads.

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0w0xM TIL that in 1966 a US Air Force B-52 bomber and a USAF tanker collided in midair, and the 4 nuclear bombs the B-52 carried fell into Southeast Spain. One of the bombs detonated, scattering plutonium all over the countryside.
9yVX TIL approximately 70,000 people a year have feet amputated due to diabetes in the USA alone.
kOwE7 TIL that nearly 75 percent of all Rolls-Royce cars ever built are still on the road.
mbvP TIL Alcohol forms in berries as they ferment with the first frosts, and the birds that gorge on these winter fruits may get drunk more often than we think, scientists say
5VAXn TIL That Robert Todd Lincoln, son of Abraham Lincoln, was present at or close by to three presidential assassinations. Later in life he would decline a presidential invitation stating that "...there is a certain fatality about presidential functions when I am present."