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| Boxing Men: WBA World Championship Heavyweight | 
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| Mon. | Year | Location | 
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| Jan. | 2007 | Basel (swi) | Nikolay Valuyev (rus) | Jameel McCline (usa) |
| Oct. | 2006 | Rosemont (usa) | Nikolay Valuyev (rus) | Monte Barrett (usa) |
| Jun. | 2006 | Hannover (ger) | Nikolay Valuyev (rus) | Owen Beck (jam) |
| Dec. | 2005 | Berlin (ger) | Nikolay Valuyev (rus) | John Ruiz (usa) |
| Apr. | 2005 | New York (usa) | John Ruiz (usa) | James Toney (usa) |
| Nov. | 2004 | New York (usa) | John Ruiz (usa) | Andrzej Golota (pol) |
| Apr. | 2004 | New York (usa) | John Ruiz (usa) | Fres Oquendo (prc) |
| Dec. | 2003 | Atlantic City (usa) | John Ruiz (usa) * | Hasim Rahman (usa) |
| Mar. | 2003 | Las Vegas (usa) | Roy Jones (usa) | John Ruiz (usa) |
| Jul. | 2002 | Las Vegas (usa) | John Ruiz (usa) | Kirk Johnson (can) |
| Dec. | 2001 | Ledyard (usa) | John Ruiz (usa) | Evander Holyfield (usa) |
| Mar. | 2001 | Las Vegas (usa) | John Ruiz (usa) | Evander Holyfield (usa) |
| Aug. | 2000 | Las Vegas (usa) | Evander Holyfield (usa) | John Ruiz (usa) |
| Apr. | 2000 | -- | vacant | -- |
| Nov. | 1999 | Las Vegas (usa) | Lennox Lewis (gbr) | Evander Holyfield (usa) |
| Mar. | 1999 | New York (usa) | Evander Holyfield (usa) | Lennox Lewis (gbr) |
| Sep. | 1998 | Atlanta (usa) | Evander Holyfield (usa) | Vaughn Bean (usa) |
| Nov. | 1997 | Las Vegas (usa) | Evander Holyfield (usa) | Michael Moorer (usa) |
| Jun. | 1997 | Las Vegas (usa) | Evander Holyfield (usa) | Mike Tyson (usa) |
| Nov. | 1996 | Las Vegas (usa) | Evander Holyfield (usa) | Mike Tyson (usa) |
| Sep. | 1996 | Las Vegas (usa) | Mike Tyson (usa) | Bruce Seldon (usa) |
| Aug. | 1995 | Las Vegas (usa) | Bruce Seldon (usa) | Joe Hipp (usa) |
| Apr. | 1995 | Las Vegas (usa) | Bruce Seldon (usa) | Tony Tucker (usa) |
| Mar. | 1995 | -- | vacant | -- |
| Nov. | 1994 | Las Vegas (usa) | George Foreman (usa) | Michael Moorer (usa) |
| Apr. | 1994 | Las Vegas (usa) | Michael Moorer (usa) | Evander Holyfield (usa) |
| Nov. | 1993 | Las Vegas (usa) | Evander Holyfield (usa) | Riddick Bowe (usa) |
| May | 1993 | Washington (usa) | Riddick Bowe (usa) | Jesse Ferguson (usa) |
| Feb. | 1993 | New York (usa) | Riddick Bowe (usa) | Michael Dokes (usa) |
| Nov. | 1992 | Las Vegas (usa) | Riddick Bowe (usa) | Evander Holyfield (usa) |
| Jun. | 1992 | Las Vegas (usa) | Evander Holyfield (usa) | Larry Holmes (usa) |
| Nov. | 1991 | Atlanta (usa) | Evander Holyfield (usa) | Bert Cooper (usa) |
| Apr. | 1991 | Atlantic City (usa) | Evander Holyfield (usa) | George Foreman (usa) |
| Oct. | 1990 | Las Vegas (usa) | Evander Holyfield (usa) | James Douglas (usa) |
| Feb. | 1990 | Tokyo (jpn) | James Douglas (usa) | Mike Tyson (usa) |
| Jul. | 1989 | Atlantic City (usa) | Mike Tyson (usa) | Carl Williams (usa) |
| Feb. | 1989 | Las Vegas (usa) | Mike Tyson (usa) | Frank Bruno (gbr) |
| Jun. | 1988 | Atlantic City (usa) | Mike Tyson (usa) | Michael Spinks (usa) |
| Mar. | 1988 | Tokyo (jpn) | Mike Tyson (usa) | Tony Tubbs (usa) |
| Jan. | 1988 | Atlantic City (usa) | Mike Tyson (usa) | Larry Holmes (usa) |
| Oct. | 1987 | Atlantic City (usa) | Mike Tyson (usa) | Tyrell Biggs (usa) |
| Sep. | 1987 | Las Vegas (usa) | Mike Tyson (usa) | Tony Tucker (usa) |
| May | 1987 | Las Vegas (usa) | Mike Tyson (usa) | Pinklon Thomas (usa) |
| Mar. | 1987 | Las Vegas (usa) | Mike Tyson (usa) | James Smith (usa) |
| Dec. | 1986 | New York (usa) | James Smith (usa) | Tim Witherspoon (usa) |
| Jul. | 1986 | Atlanta (usa) | Tim Witherspoon (usa) | Frank Bruno (gbr) |
| Jan. | 1986 | Atlanta (usa) | Tim Witherspoon (usa) | Tony Tubbs (usa) |
| Apr. | 1985 | Buffalo (usa) | Tony Tubbs (usa) | Greg Page (usa) |
| Dec. | 1984 | Sun City (saf) | Greg Page (usa) | Gerrie Coetzee (saf) |
| Sep. | 1983 | Richfield (usa) | Gerrie Coetzee (saf) | Michael Dokes (usa) |
| May | 1983 | Las Vegas (usa) | Michael Dokes (usa) | Mike Weaver (usa) |
| Dec. | 1982 | Las Vegas (usa) | Michael Dokes (usa) | Mike Weaver (usa) |
| Oct. | 1981 | Rosemont (usa) | Mike Weaver (usa) | James Tillis (usa) |
| Oct. | 1980 | Sun City (saf) | Mike Weaver (usa) | Gerrie Coetzee (saf) |
| Mar. | 1980 | Knoxville (usa) | Mike Weaver (usa) | John Tate (usa) |
| Oct. | 1979 | Pretoria (saf) | John Tate (usa) | Gerrie Coetzee (saf) |
| Sep. | 1979 | -- | vacant | -- |
| Sep. | 1978 | New Orleans (usa) | Muhammad Ali (usa) | Leon Spinks (usa) |
| Feb. | 1978 | Las Vegas (usa) | Leon Spinks (usa) | Muhammad Ali (usa) |
| Sep. | 1977 | New York (usa) | Muhammad Ali (usa) | Earnie Shavers (usa) |
| May | 1977 | Landover (usa) | Muhammad Ali (usa) | Alfredo Evangelista (uru) |
| Sep. | 1976 | New York (usa) | Muhammad Ali (usa) | Ken Norton (usa) |
| May | 1976 | München (ger) | Muhammad Ali (usa) | Richard Dunn (gbr) |
| Apr. | 1976 | Landover (usa) | Muhammad Ali (usa) | Jimmy Young (usa) |
| Feb. | 1976 | Hato Rey (prc) | Muhammad Ali (usa) | Jean-Pierre Coopman (bel) |
| Oct. | 1975 | Quezon City (phi) | Muhammad Ali (usa) | Joe Frazier (usa) |
| Jun. | 1975 | Kuala Lumpur (mls) | Muhammad Ali (usa) | Joe Bugner (aus) |
| May | 1975 | Las Vegas (usa) | Muhammad Ali (usa) | Ron Lyle (usa) |
| Mar. | 1975 | Richfield (usa) | Muhammad Ali (usa) | Chuck Wepner (usa) |
| Oct. | 1974 | Kinshasa (zai) | Muhammad Ali (usa) | George Foreman (usa) |
| Mar. | 1974 | Caracas (ven) | George Foreman (usa) | Ken Norton (usa) |
| Sep. | 1973 | Tokyo (jpn) | George Foreman (usa) | José Roman (prc) |
| Jan. | 1973 | Kingston (jam) | George Foreman (usa) | Joe Frazier (usa) |
| May | 1972 | Omaha (usa) | Joe Frazier (usa) | Ron Stander (usa) |
| Jan. | 1972 | New Orleans (usa) | Joe Frazier (usa) | Terry Daniels (usa) |
| Mar. | 1971 | New York (usa) | Joe Frazier (usa) | Muhammad Ali (usa) |
| Nov. | 1970 | Detroit (usa) | Joe Frazier (usa) | Bob Foster (usa) |
| Feb. | 1970 | New York (usa) | Joe Frazier (usa) | Jimmy Ellis (usa) |
| Sep. | 1968 | Stockholm (swe) | Jimmy Ellis (usa) | Floyd Patterson (usa) |
| Apr. | 1968 | Oakland (usa) | Jimmy Ellis (usa) | Jerry Quarry (usa) |
| Mar. | 1967 | New York (usa) | Muhammad Ali (usa) | Zora Folley (usa) |
| Feb. | 1967 | Houston (usa) | Muhammad Ali (usa) | Ernie Terrell (usa) |
| Jun. | 1966 | Houston (usa) | Ernie Terrell (usa) | Doug Jones (usa) |
| Nov. | 1965 | Toronto (can) | Ernie Terrell (usa) | George Chuvalo (can) |
| Mar. | 1965 | Chicago (usa) | Ernie Terrell (usa) | Eddie Machen (usa) |
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Notes: * Interim world title Apr. 2005: James Toney (usa) won the title fight, but the result was changed into a no-contest for a doping offence |
