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TIL that after the capture of a serial killer of children, a police officer found his own daughter tied and gagged in the back of the killer’s van.

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PYJWw TIL the British were the first nation to employ the use of Agent Orange as part of a starvation campaign during the Malayan Emergency in the early 1950’s. The US would adopt this strategy in 1961 in Vietnam.
epkln TIL: Henriette d'Angeville was the first woman who climbed the MontBlanc unaided. She had to design her own climbing clothes. She took with her 18 bottles of wine and 26 roasted chickens. At the top she was lifted by her guides so that she 'had gone higher than any man before her'.
P1e7V TIL: Irish playwright Brendan Behan wrote a song called 'the laughing boy' about Irish revolutionary Michael Collins. Later it was translated into Greek and became the unofficial anthem against the military junta.
VBWL4 TIL Claudius Ptolemy made a list of the angle in water for each number of different angle in air, as recorded on a table from 140 AD. But it was not until 1621 when Willebrord Snell found the rule connecting the two angles: sinθi=nsinθr
JYeWV TIL Invented around 1770, the basset horn was pitched a fourth lower than the traditional clarinet (F) and is described to have a rich tone. Mozart liked its sound so much that wrote multiples pieces specifically for his clarinetist friend. As the orchestra started to grow, it fell into obscurity