Soviet President Mikhail Gorbachev and US President George H. W. Bush declared an end to the Cold War.
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Illinois became the 21st state to join the United States of America.
The first pizza party was held in space.
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.
Agatha Christie mysteriously disappeared for 11 days.
