PHOTOS: Muhammad Ali through the years

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Saturday, June 4, 2016
Young heavyweight fighter Cassius Clay is seen at City Parks Gym in New York, Feb. 8, 1962.
In this Nov. 15, 1962, file photo, young heavyweight boxer Cassius Clay, who later changed his name to Muhammad Ali,  points to a sign he wrote on a chalk board.
Young heavyweight fighter Cassius Clay is seen with his trainer Angelo Dundee at City Parks Gym in New York, Feb. 8, 1962.
In this Feb. 18, 1964, file photo, The Beatles take a fake blow from Cassius Clay, who later changed his name to Muhammad Ali.
World Heavyweight Boxing Champion, Muhammad Ali, right, is shown with Black Muslim Leader, Malcolm X.
Heavyweight champion Muhammad Ali stands over fallen challenger Sonny Liston.
Perspiration beads the face of world heavyweight boxing champion Muhammad Ali shown in training for his May 25, 1965 fight with Sonny Liston at Lewiston, Maine.
Heavyweight boxer Muhammad Ali makes a point during a news conference in Atlanta, Ga.
Muhammad Ali is seen at anti-war rally at the University of Chicago on May 11, 1967.
Muhammad Ali is seen in a jovial mood two days before his March 8, 1971 bout with Joe Frazier.
Muhammad Ali toys with the finely combed hair of television sports commentators Howard Cosell before the 1972 Olympic boxing trails.
Muhammad Ali is seen prior to the first round of his title fight against heavyweight contender Ken Norton in 1976.
In this Monday, Feb. 11, 1980 file photo, retired heavyweight boxer Muhammad Ali, left, shakes hands with President Jimmy Carter.
Muhammad Ali playfully spars with a photographer while on a tour bus to visit Alain Leroy Locke High School, Tuesday, December 3, 1996, in South-Central Los Angeles.
Muhammad Ali poses with Dream Team members   Scottie Pippen, Hakeem Olajuwon, Reggie Miller, Shaquille O'Neal, Karl Malone and Gary Payton.
Former heavyweight boxing legend Muhammad Ali waves to the audience after receiving the "Bambi Trophy" during the Bambi Media Award in Hamburg, northern Germany.
In this Dec. 17, 2005 file photo, boxing legend Muhammad Ali is seen with his wife, Lonnie.
Former boxer Muhammad Ali playfully scowls at photographers before being presented with the Presidential Medal of Freedom in 2005.
President Bush presents the Presidential Medal of Freedom, Wednesday, Nov. 9, 2005, to boxer Muhammad  Ali in the East Room of the White House.
Boxing legend Muhammad Ali poses for photographers during the award ceremony for the Otto-Hahn-Peace-Medal 2005 of the German Society of the United Nations in Berlin.
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PHOTOS: Muhammad Ali through the yearsYoung heavyweight fighter Cassius Clay is seen at City Parks Gym in New York, Feb. 8, 1962.
ASSOCIATED PRESS

Boxing legend Muhammad Ali has died at the age of 74.

Born Cassius Clay in 1942, Ali took up boxing at the age of 12 in his hometown of Louisville, Ky. He would go on to earn the nickname "The Greatest of All Time," known for his personality and political activism outside of the boxing ring in addition to his achievements in the ring.

Take a look back at his iconic life and career in the gallery above.