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TIL you can check if a credit card number is valid with a simple algorithm

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vPjXj TIL: Keep Calm and Carry On was the third of three posters designed by the UK's Ministry of Information in April 1939. Nearly 2.5 million copies were printed in the weeks before WWII, but almost all were subsequently pulped when public response to the first two posters was overwhelmingly negative.
vENB TIL India has 814 million registered voters, 900,000 polling stations and takes India 9 days to Vote for the government. Indian Voters also get to record their displeasure with all the candidates, with the introduction of the “none of the above” option on the ballot
XENNk TIL Idaho passed bill HCR029 in 2005, which praised the film Napolean Dynamite for increasing state tourism. "WHEREAS, any members of the House of Representatives or the Senate of the Legislature of the State of Idaho who choose to vote "Nay" on this concurrent resolution are "FREAKIN' IDIOTS!"
neJlr TIL Many Native American students at Yale study their indigenous languages even though these classes do not count for academic credit. Stanford stands out for providing classes that qualify for academic credit on Native Americans languages, including Cherokee, Nahuatl, Navajo, and Lakota
KAla TIL that Walt Disney originally planned to continually release Fantasia while replacing old segments with new ones, so that viewers would never see the same film twice.