Portuguese navigators discovered Rio de Janeiro.
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Medical researcher Oswald Hope Robertson performed the first-ever blood transfusion using stored and refrigerated blood.
Fidel Castro's revolutionary forces overthrew the Cuban dictator Fulgencio Batista.
Ellis Island opened as a US immigration inspection station.
A B747 plane by Air India flying from Bombay, India to Dubai, UAE, crashed with no survivors.
The Julian Calendar was used for the first time.