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TIL that Sugar Maple Trees have a wider range in the US than Canada

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7r1Ax TIL Ukrainian Trident/Tryzyb was also the Coat of Arms of the Viking ruling dynasty of Kiev Rus 1,000 years ago, and it is believed to mean a symbol of the Holy Trinity
Eg4xx TIL that although the British Double Cross operation captured or turned all German agents operating in Britain during WWII, the German Abwehr was equally successful in Holland with an operation called Englandspiel, capturing all British SOE agents sent to aid Dutch Resistance.
rRGBx TIL that the artist who made Scooby-Doo found desirable traits that you’d look for in a top level show dog and drew Scooby-Doo to represent the opposite.
x6BB1 TIL Alcohol isn't allowed on the International Space Station. It's not banned purely for intoxication or health risk. It's banned because alcohol is a volatile compound which can damage the ISS' water filtration system. NASA also bans mouthwash, aftershave and perfumes for this same reason.
NX508 TIL of Robert Stroud, the 'Birdman of Alcatraz,' who became a renowned ornithologist and published books on bird diseased while serving a life sentence for murder at one of the world's most infamous prisons.