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List of undisputed boxing champions - Wikipedia, the free encyclopedia
https://en.wikipedia.org/wiki/List_of_undisputed_boxing_champions
List of undisputed boxing champions. From Wikipedia, the free encyclopedia. This is a list of undisputed champions. New York State Athletic Commission. NYSAC), founded in 1920. WBA), founded in 1921 as the National Boxing Association (NBA). WBC), founded in 1963. IBF), founded in 1983. WBO), founded in 1988. 1920 1963, a boxer who held both the NYSAC and NBA (WBA) titles simultaneously. 1963 1983, a boxer who held both the WBA and WBC titles simultaneously. See also: List of heavyweight boxing champions.
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List of WBA world champions - Wikipedia, the free encyclopedia
https://en.wikipedia.org/wiki/List_of_WBA_world_champions
List of WBA world champions. From Wikipedia, the free encyclopedia. This is a list of WBA world champions. Showing every world champion certificated by the World Boxing Association. WBA) The list also includes champions certificated by the National Boxing Association (NBA). Champion stripped of title. March 5, 1965 February 6, 1967. February 6, 1967 April 27, 1968. Ali's title was stripped due to his conversion to Islam. This stripping took place much before his refusal to be drafted to Army service.