The first official Church of Scientology opened in Los Angeles, California, USA.
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The Perseverance rover successfully landed on Mars.
The first Ironman Triathlon was held in Kona, Hawaii, USA.
Actor Yul Brynner starred in an anti-smoking ad campaign while dying of smoking-related lung cancer.
American astronomer Clyde Tombaugh discovered Pluto.
Capital punishment was declared unconstitutional in California, USA.