The Euro currency was introduced and adopted by 11 Member States.
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The Julian Calendar was used for the first time.
The country of Czechoslovakia peacefully dissolved into two nations, the Czech Republic and Slovakia.
Fidel Castro's revolutionary forces overthrew the Cuban dictator Fulgencio Batista.
A monk put an end to gladiator fighting in Rome.
Medical researcher Oswald Hope Robertson performed the first-ever blood transfusion using stored and refrigerated blood.
