Muhammad Ali was three-time world heavyweight boxing champion.
- 17 January 1942, Cassius Clay (Muhammad Ali) born in Louisville, Kentucky.
- 1960, won light-heavyweight gold medal at the Rome Olympics.
- 25 February 1964, fought, and knocked out Sonny Liston; became heavyweight champion.
- 1964, joined Nation of Islam.
- 1967, inducted into the military but refused to serve.
- 8 March 1971, Ali lost to Joe Frazier. Supreme Court ruled in favor of Ali.
- 28 January 1974, Ali won unanimous decision over Frazier.
- 30 October 1974, Ali knocked out George Forman in the “Rumble in the Jungle.”
- 15 February 1978, Ali lost the heavyweight title in a split decision to Leon Spinks. Ali regained the title from Spinks seven months later.
- 1979, Ali retired.
- 1980, Ali lost a comeback bout to Larry Holmes.
- 1981, Ali lost a comeback bout to Trevor Berbick.
- 1996, Ali lit the Olympic flame in Atlanta.