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.
King John signed the Magna Carta near Windsor, England.
Babe Ruth's baseball jersey became the most expensive sports memorabilia when it sold for $5.6 million.
Arkansas became the 25th state to join the United States of America.
Spain held its first democratic elections since 1936.