State troopers in Victoria, Australia, killed more than 30 gold miners at the Battle of the Eureka Stockade.
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Soviet President Mikhail Gorbachev and US President George H. W. Bush declared an end to the Cold War.
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.
The first pizza party was held in space.
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.
