Dr. Glenn T. Seaborg discovered the chemical element Plutonium.
Plutonium is used as both a fuel and an explosive.
Source
The United States of America leased Guantanamo Bay from Cuba, with the lease lasting an indefinite period.
US General Eisenhower bid to raise $170 million in aid to help European Jews.
Eminem's album The Slim Shady LP went on sale.
Polio vaccines were given to the first group of children in the US at Arsenal Elementary School in Pittsburgh, Pennsylvania.
China announced that the Coronavirus had created the country's worst health emergency since 1949.
