NASA lost radio contact with the Mars Polar Lander moments before the spacecraft entered the Martian atmosphere.
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The 7-year old Ryan of 'Ryan Toysreview' was announced as the year's highest-paid YouTube star earning $22 million.
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.
Soviet President Mikhail Gorbachev and US President George H. W. Bush declared an end to the Cold War.
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.
