The 70th anniversary of NATO was marked by a gathering in London of world leaders, followed by a reception by Elizabeth II at Buckingham Palace.
Spotify announced Drake as the most-streamed star of the 2010s with 28 billion streams, and Ed Sheeran's 'Shape Of You' as the most-streamed track with 2.4 billion streams.
The 7-year old Ryan of 'Ryan Toysreview' was announced as the year's highest-paid YouTube star earning $22 million.
The first pizza party was held in space.
The US Defense Secretary announced that the US Military would open all combat roles to women.
HAL Laboratory's Super Smash Bros. Melee was released by Nintendo for the GameCube.
NASA lost radio contact with the Mars Polar Lander moments before the spacecraft entered the Martian atmosphere.
The original PlayStation was launched in Japan.
Soviet President Mikhail Gorbachev and US President George H. W. Bush declared an end to the Cold War.
Elvis Presley's Comeback Special airs on NBC, his 1st live performance in seven years, re-launching his singing career.
Seven armed men attempted to assassinate Bob Marley while he was on break from rehearsal.
Agatha Christie mysteriously disappeared for 11 days.
Neon lighting was first demonstrated at the Paris Motor Show by Georges Claude.
State troopers in Victoria, Australia, killed more than 30 gold miners at the Battle of the Eureka Stockade.
Illinois became the 21st state to join the United States of America.
The Grand Union Flag flew for the first time with the commissioning of the USS Alfred.
