Jim “Catfish” Hunter of the Oakland Athletics pitched the ninth perfect game, defeating the Minnesota Twins (4-0).
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The Communist Party of Romania was founded.
The British runner, Henry Barrett, ran a world record marathon at 2 hours, 42 minutes, and 31 seconds in the Polytechnic Marathon in London.
Singapore passed anti-fake news laws.
NASA's Atlas-Centaur rocket exploded mid-air during its first test flight.
Smallpox eradication was certified.
