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TIL The final episode of Perry Mason was set in a TV studio, offering the entire production crew an opportunity to appear on camera. Most of the behind-the-scenes personnel in the episode had been with the show the entire nine year run. The original author, Erle Gardner, appeared too.

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R7oj6 TIL A scientific study found starting high school one hour later than usual allowed students to sleep more than half an hour more, and was associated with reduced sleepiness and increased academic performance.
X0OmP TIL that the British once tried to destroy an entire island after WW2 because they didn't want it to be used as a fleet base for the Germans. This was done in "Operation Big Bang" where they detonated 6700 tonnes of explosives, which is considered one of the largest single explosive detonation.
wLyk1 TIL in April 2015, the Hatton Garden Safe Deposit Company, an underground safe deposit facility in London's Hatton Garden area, was burgled. The incident has been called the "largest burglary in English legal history." The heist was planned and carried out by elderly men.
wLwx7 TIL photography film was made with only Caucasian skin in mind and Kodak only really developed the technology to colour balance darker skin tone by chance- because of complaints over poor light calibration from makers of brown furniture.
4X4YR TIL In almost every country the world over, Jews have faced religious persecution but India is one of the few countries where Jews were never ill-treated.In 1948, after the formation of the state of Israel, 33000 Jews migrated to Israel leaving behind around 5000 Jews in India.