April 3rd is known as World Party Day as well as Find A Rainbow Day.
NASA announced the astronauts for the first trip to the moon in over 50 years.
A shooting took place at YouTube's headquarters in San Bruno, California.
11.5 million private documents were leaked and became known as The Panama Papers.
The Australian boy band 5 Seconds of Summer formed.
Rolling Stones guitarist Keith Richards has confirmed that he did snort his father's ashes.
Ted Kaczynski, The Unabomber, was caught and arrested.
The world's first portable computer was announced at the West Coast Computer Faire.
Motorola employee, Martin Cooper, made the first public call from a cell phone.
Robert Goddard launched his second liquid-fueled rocket.
Frank Gotch won the World Heavyweight Wrestling Championship after a 2-hour match.
Robert Ford killed American outlaw Jesse James in St Joseph, Missouri.
The mail delivery system known as the Pony Express started.
President George Washington received an honorary law degree from Harvard College.
Robert Walpole gained the title of first Prime Minister of Britain.
Edward the Confessor was crowned the new King of England in Winchester, England.
