German inventor Ferdinand von Zeppelin granted a patent for the navigable balloon.
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Identical twins were no longer identical after one returned from a mission to space.
Google employee Emma Haruka Iwao broke a world record by calculating Pi right down to 31.4 trillion digits!
US President John F. Kennedy's body was moved to its final resting place in Virginia.
US president Bill Clinton tore his knee and required surgery.
Dolly Parton attempted to refuse a Rock & Roll Hall of Fame nomination.
