Soviet President Mikhail Gorbachev and US President George H. W. Bush declared an end to the Cold War.
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US President Ronald Reagan was made aware that the USSR was stealing US technology and research.
Mikhail Gorbachev resigned from his position as Prime Minister of the Soviet Union.
George H. W. Bush declared himself President of the United States of America.
The Antarctic Treaty comes into force.
Japanese prime minister treated president George H. W. Bush to dinner, and Bush threw up on the host.