The first documented blood transfusion took place using sheep blood in a teenage boy.
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Russian spacecraft Vega 2 landed on Venus.
Spain held its first democratic elections since 1936.
The comedy movie 'The Apartment' was released in New York, US.
Arkansas became the 25th state to join the United States of America.
John Lennon and Yoko Ono planted acorns for world peace after also mailing acorns to many world leaders to do the same.
