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25th February 1964: American boxer Cassius Clay, later Muhammad Ali, celebrates his win over Sonny Liston in their heavyweight title fight at Miami Beach, Florida. Clay won the contest, becoming world champion for the first time, when Liston failed to come out at the start of the seventh round. (Photo by Harry Benson/Express/Getty Images)

25th February 1964:  American boxer Cassius Clay, later Muhammad Ali, celebrates his win over Sonny Liston in their heavyweight title fight at Miami Beach, Florida. Clay won the contest, becoming world champion for the first time, when Liston failed to come out at the start of the seventh round.  (Photo by Harry Benson/Express/Getty Images)