- Springhill Massacre: British snipers shoot dead five Catholic civilians and wounded two others in Springhill, Belfast
- The ceasefire between the Provisional IRA and the British Army comes to an end
- USSR performs underground nuclear test
Wimbledon Men's Tennis: American Stan Smith beats Ilie Năstase of Romania 4-6, 6-3, 6-3, 4-6, 7-5 for his only Wimbledon title
- Derek Mills, 400m runner, born in Washington, D.C.
- Pete Kendall, NFL guard (Seattle Seahawks)
- Robert Weede, American baritone (b. 1903)