Wikipedia:Selected anniversaries/October 26
- 1863 - The Football Association, the oldest governing body in football, was formed in London in England.
- 1881 - The Gunfight at the O.K. Corral took place in Tombstone, Arizona.
- 1955 - Prime Minister Ngo Dinh Diem declared himself President of South Vietnam, replacing Nguyen Emperor Bao Dai as the head of state.
- 1979 - President Park Chunghee of South Korea was assassinated by the director of the Korean Central Intelligence Agency and a long-time friend, Kim Jaekyu.
- 2001 - U.S. President George W. Bush signed the "Uniting and Strengthening America by Providing Appropriate Tools Required to Intercept and Obstruct Terrorism Act of 2001", more commonly known as the USA PATRIOT Act, into law.
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