Dr. Glenn T. Seaborg discovered the chemical element Plutonium.
Plutonium is used as both a fuel and an explosive.
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China announced that the Coronavirus had created the country's worst health emergency since 1949.
President H. W. Bush gave Iraq the ultimatum that they had 24 hours to get their forces out of Kuwait or face war.
The first-ever classified ad was published in The Times, London, UK.
Polio vaccines were given to the first group of children in the US at Arsenal Elementary School in Pittsburgh, Pennsylvania.
The United States of America leased Guantanamo Bay from Cuba, with the lease lasting an indefinite period.
