Adolf Hitler published Mein Kampf in Germany.
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Romanian gymnast Nadia Comăneci scored the world's first perfect 10 for gymnastics at the 1976 Olympics.
NASA launched Gemini X, the tenth spaceflight of the Gemini program.
Cliff Richard was awarded £210,000 in damages after winning a privacy case against the BBC.
American mobster Charles Luciano (also known as Lucky Luciano) was trialed and sentenced to 30-50 years in prison.
The Ballot Act was passed in Great Britain.