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Muhammad Ali
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Muhammad Ali, shirtless and sweating, trains with a speed bag in a wood-paneled gym at his Pennsylvania training camp, circa 1974.
Muhammad Ali: One of the greatest boxers of all time
Cassius Clay (later known as Muhammad Ali) poses shirtless in boxing gloves and trunks, standing in a boxing stance against a plain background. Boxing match ticket Sonny Liston and Cassius Clay (Muhammad Ali) Angelo Dundee and Muhammad Ali Muhammad Ali, at right, throws a punch at Ernie Terrell during their 1967 boxing match in a ring, with a referee and spectators in the background. Muhammad Ali Muhammad Ali sits on a talk show set as Fred Blassie raises Ali's arm, with guest host McLean Stevenson seated at a desk, all in front of a cityscape backdrop. Muhammad Ali (far left) and Elijah Muhammad, 1967
At a Glance
Muhammad Ali, at right, throws a punch at Ernie Terrell during their 1967 boxing match in a ring, with a referee and spectators in the background.
Muhammad Ali summary
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Serena Williams poses with the Daphne Akhurst Trophy after winning the Women's Singles final against Venus Williams of the United States on day 13 of the 2017 Australian Open at Melbourne Park on January 28, 2017 in Melbourne, Australia. (tennis, sports)
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Civil rights leader Reverend Martin Luther King, Jr. delivers a speech to a crowd of approximately 7,000 people on May 17, 1967 at UC Berkeley's Sproul Plaza in Berkeley, California.
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Graphic artwork represents music of the seventies - (source file includes the fifties, sixties, eighties, and nineties, 50s, 60s, 70, 80s, 90s, decades)
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Muhammad Ali, shirtless and sweating, trains with a speed bag in a wood-paneled gym at his Pennsylvania training camp, circa 1974.
Muhammad Ali American boxer Muhammad Ali, 1974.

Muhammad Ali

American boxer
Also known as: Cassius Marcellus Clay, Jr.
Written by
Thomas Hauser
Thomas Hauser graduated from law school in 1970 and began writing in 1977. Since then, he has authored some 50 books on subjects ranging from professional boxing to Beethoven. His first book—The Execution...
Thomas Hauser
Fact-checked by
Britannica Editors
Encyclopaedia Britannica's editors oversee subject areas in which they have extensive knowledge, whether from years of experience gained by working on that content or via study for an advanced degree....
Britannica Editors
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•History

Muhammad Ali (born January 17, 1942, Louisville, Kentucky, U.S.—died June 3, 2016, Scottsdale, Arizona) was an American professional boxer and social activist. Considered one of the greatest boxers in history, Ali was the first fighter to win the world heavyweight championship on three separate occasions; he successfully defended this title 19 times. (Read Gene Tunney’s 1929 Britannica essay on boxing.) Cassius Marcellus Clay, Jr., grew up in the American South in a time of segregated...

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