German inventor Ferdinand von Zeppelin granted a patent for the navigable balloon.
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US President John F. Kennedy's body was moved to its final resting place in Virginia.
The population of space hit a new record with 13 astronauts.
Identical twins were no longer identical after one returned from a mission to space.
Beyoncé won her 28th Grammy Award, breaking the world record for most Grammys won by an artist.
Anne Miller became the first American patient to be treated with penicillin.
