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  He was born in Louisville, Kentucky.
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  When he was 12 years he began training as an amateur boxer.
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  He was named Golden Gloves champion and earned the Amateur Athletic´s Union national title.
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  He debut against Tunney Hunsaker winning a six-round decision
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  When he was 18 , he participated in the summer olympics games in (Rome, Italy) and he won the olympic light heavyweight gold medal.
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  He won the WBA (World Boxing Association) , WBC (World Boxing Council) and the lineal heavyweight titles.
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  He changed name from Cassius Marcellus Clay to Muhammad ALI, because he change religion too.
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  He fought against Joe Frazier in the Madison Square Garden, in 1971.He didnt win but months later he won one of the biggest fight of his life.
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  He won 56 times (37 times because a k.o) and lost 5.
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  He retired on 1981, when he was 39 years old, after a press conference.
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  He died in Scottsdale, Arizona, when he was 74 years old because of a septic shock.