A shooting took place at YouTube’s headquarters in San Bruno, California.
The shooter, Nasim Najafi Aghdam, opened fire with a 9mm semi-automatic pistol. Aghdam wounded three people before killing herself.
11.5 million private documents were leaked and became known as The Panama Papers.
The papers detailed transactions and money laundering activities of many of the world’s rich and powerful. They show them committing crimes such as tax evasion, fraud, and circumventing international sanctions.
The Australian boy band 5 Seconds of Summer formed.
Guitarist Keith Richards from the Rolling Stones denied he said he snorted his late father’s ashes.
Ted Kaczynski, The Unabomber, was caught and arrested.
The Unabomber sent mail bombs to universities, airlines, and others over a 17-year period, killing three and injuring nearly two dozen people.
Robert Goddard launched his second liquid-fueled rocket.
It flew for a total of 4.2 seconds, reaching an altitude of 49 feet (15 meters).
Frank Gotch won the World Heavyweight Wrestling Championship after a 2-hour match.
Gotch retained his position as champion for the next five years.
Robert Ford killed American outlaw Jesse James in St Joseph, Missouri.
The mail delivery system known as the Pony Express started.
Its route was 1,800 miles (2,897 km) long and went between St Joseph, Missouri, and Sacramento, California.
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.