IBF Version

WBA Version

WBC Version

Undisputed Champions
Date	Champion	Country	Date	Champion	Country
1892	James J Corbett	USA	1951	Jersey Joe Walcott	USA
1897	Bob Fitzsimmons	GB	1952	Rocky Marciano	USA
1899	James J Jeffries	USA	1956	Floyd Patterson	USA
1905	Marvin Hart	USA	1959	Ingemar Johanson	Sweden
1906	Tommy Burns	Canada	1960	Floyd Patterson	USA
1908	Jack Johnson	USA	1962	Sonny Liston	USA
1915	Jess Willard	USA	1964	Cassius Clay	USA
1919	Jack Dempsey	USA	1970	Joe Frazier	USA
1926	Gene Tunney	USA	1973	George Foreman	USA
1930	Max Schmeling	Germany	1974	Muhammed Ali	USA
1932	Jack Sharkey	USA	1978	Leon Spinks	USA
1933	Primo Carnera	Italy	1987	Mike Tyson	USA
1934	Max Baer	USA	1990	James Buster Douglas	USA
1935	James J Braddock	USA	1990	Evander Holyfield	USA
1937	Joe Louis	USA	1992	Riddick Bowe	USA
1950	Ezzard Charles	USA

IBF Champions
Date	Champion	Country	Date	Champion	Country
1984	Larry Holmes	USA	1992	Riddick Bowe	USA
1985	Michael Spinks	USA	1993	Evander Holyfield	USA
1987	Tony Tucker	USA	1994	Michael Moorer	USA
1987	Mike Tyson	USA	1994	George Foreman	USA
1990	James Buster Douglas	USA	1996	Michael Moorer	USA
1990	Evander Holyfield	USA

WBA Champions
Date	Champion	Country	Date	Champion	Country
1965	Ernie Terrell	USA	1986	James Smith	USA
1968	Jimmy Ellis	USA	1987	Mike Tyson	USA
1978	Muhammed Ali	USA	1990	James Buster Douglas	USA
1980	Mike Weaver	USA	1990	Evander Holyfield	USA
1982	Mike Dokes	USA	1992	Riddick Bowe	USA
1983	Gerry Coetzee	S Africa	1993	Evander Holyfield	USA
1984	Greg Page	USA	1994	Michael Moorer	USA
1985	Tony Tubbs	USA	1994	George Foreman	USA
1986	Tim Witherspoon	USA	1995	Bruce Seldon	USA

WBC Champions
Date	Champion	Country	Date	Champion	Country
1978	Ken Norton	USA	1990	Evander Holyfield	USA
1978	Larry Holmes	USA	1992	Riddick Bowe	USA
1984	Tim Witherspoon	USA	1992	Lennox Lewis	GB
1984	Pinklon Thomas	USA	1994	Oliver McCall	USA
1986	Trevor Berbick	Jamaica	1995	Frank Bruno	GB
1987	Mike Tyson	USA	1996	Mike Tyson	USA
1990	James Buster Douglas	USA

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