Google employee Emma Haruka Iwao broke a world record by calculating Pi right down to 31.4 trillion digits!
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US President John F. Kennedy's body was moved to its final resting place in Virginia.
Anne Miller became the first American patient to be treated with penicillin.
Beyoncé won her 28th Grammy Award, breaking the world record for most Grammys won by an artist.
American inventor Eli Whitney was granted a patent for a ground-breaking new type of cotton gin.
Identical twins were no longer identical after one returned from a mission to space.
