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TIL that the ancient Chinese symbol for “Ying and Yang” first appeared on Roman legions shields, Hundreds of years before its use in Ancient China

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KOmGJ TIL the period 1955-1972, the development of nuclear rocket engines in the USA began with the "Rover" project. The first experimental nuclear engine was named "KIWI" and experiments were performed on it until 1964. They constructed a compact nuclear reactor with U235 carbide in a graphite housing.
QDGM TIL, In 2008 4 women sued Girls Gone Wild for emotional distress after being in one of their films an all female jury declined to award damages.
kOeNg TIL That “one nation under God” was added to the Pledge of Allegiance during the Eisenhower administration and has only been in place for 65 years
OJgR TIL at the end of the Gulf War, 20 people died in Kuwait due to falling bullets from celebratory gunfire
ANQOx TIL if there are 23 people in a room with you, there is a 50/50 chance that two people have the same birthday.