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TIL during the opening of 1936 Olympic,Adolph Hitler made a speech which was broadcasted in 41 countries.Due to the high frequency of the signal,it escaped the earth ionosphere.Carl Sagan wrote his book Contact,on alien-human encounter based on this platform that alien heard Hitlers voice first.

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6Ev8W TIL of Henri Giraud, who escaped German captivity in World War I by pretending to be a circus performer, and AGAIN in World War II by scaling down a mountain fortress in his 60s.
yQ6pp TIL about Microsoft's legal dispute with high schooler Mike Rowe over the domain "mikerowesoft.com". The case eventually resulted in a settlement involving an all expenses paid trip to Microsoft Research Tech Fest and an Xbox with a selection of games.
wo60E TIL Eating cold or light meals in the summer heat might seem like a good idea, but your body actually uses more energy to digest it! So it's better to have a full, hot meal!
N7DZM TIL of Joseph Blankson, a Nigerian Contractor who died while saving 13 victims of a boat accident. Blankson swam in and out of a river 13 times to rescue the passengers. Suffering from exhaustion, he drowned on the 14th rescue attempt. He was the only fatality in the accident.
xyr1 TIL that some believe humans are the only animals with the ability to ask questions. Chimps that learned sign language can answer, but never ask questions. Responsorial singing (one person calls, group responds) might be the way humans started asking and answering questions.