Wikipedia:Selected anniversaries/July 23
- 1926 – Fox Film Corporation bought the patents of the Movietone sound system for recording sound onto film.
- 1952 – King Farouk of Egypt abdicated after a coup d'état.
- 1962 – Telstar relayed the first live transatlantic television signal.
- 1967 – The 12th Street Riot began in the predominantly black inner-city area of Detroit, Michigan, United States.
- 1983 – Air Canada flight 143, the "Gimli Glider," crash-landed in Gimli, Manitoba, Canada, without loss of life.