Illinois became the 21st state to join the United States of America.
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NASA lost radio contact with the Mars Polar Lander moments before the spacecraft entered the Martian atmosphere.
The Grand Union Flag flew for the first time with the commissioning of the USS Alfred.
HAL Laboratory's Super Smash Bros. Melee was released by Nintendo for the GameCube.
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.
Soviet President Mikhail Gorbachev and US President George H. W. Bush declared an end to the Cold War.
