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| Boxing Men: WBO World Championship Heavyweight | 
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| Mon. | Year | Location | 
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| Nov. | 2006 | Phoenix (usa) | Shannon Briggs (usa) | Sergey Liakhovich (blr) |
| Apr. | 2006 | Cleveland (usa) | Sergey Liakhovich (blr) | Lamon Brewster (usa) |
| Oct. | 2005 | Hamburg (ger) | Lamon Brewster (usa) | Luan Krasniqi (ger) |
| May | 2005 | Chicago (usa) | Lamon Brewster (usa) | Andrzej Golota (pol) |
| Sep. | 2004 | Las Vegas (usa) | Lamon Brewster (usa) | Kali Meehan (nzl) |
| Apr. | 2004 | Las Vegas (usa) | Lamon Brewster (usa) | Vladimir Klitchko (ukr) |
| Oct. | 2003 | -- | vacant | -- |
| Mar. | 2003 | Hannover (ger) | Corrie Sanders (saf) | Vladimir Klitchko (ukr) |
| Dec. | 2002 | Las Vegas (usa) | Vladimir Klitchko (ukr) | Jameel McCline (usa) |
| Jun. | 2002 | Atlantic City (usa) | Vladimir Klitchko (ukr) | Ray Mercer (usa) |
| Mar. | 2002 | Stuttgart (ger) | Vladimir Klitchko (ukr) | Francois Botha (saf) |
| Aug. | 2001 | Las Vegas (usa) | Vladimir Klitchko (ukr) | Charles Shufford (usa) |
| Mar. | 2001 | München (ger) | Vladimir Klitchko (ukr) | Derrick Jefferson (usa) |
| Oct. | 2000 | Köln (ger) | Vladimir Klitchko (ukr) | Chris Byrd (usa) |
| Apr. | 2000 | Berlin (ger) | Chris Byrd (usa) | Vitaliy Klitchko (ukr) |
| Dec. | 1999 | Hamburg (ger) | Vitaliy Klitchko (ukr) | Obed Sullivan (usa) |
| Oct. | 1999 | Oberhausen (ger) | Vitaliy Klitchko (ukr) | Ed Mahone (usa) |
| Jun. | 1999 | London (gbr) | Vitaliy Klitchko (ukr) | Herbie Hide (gbr) |
| Sep. | 1998 | Norwich (gbr) | Herbie Hide (gbr) | Willi Fischer (ger) |
| Apr. | 1998 | Manchester (gbr) | Herbie Hide (gbr) | Damon Reed (usa) |
| Jun. | 1997 | London (gbr) | Herbie Hide (gbr) | Tony Tucker (usa) |
| May | 1997 | -- | vacant | -- |
| Jan. | 1997 | Nashville (usa) | Henry Akinwande (gbr) | Scott Welch (gbr) |
| Nov. | 1996 | Las Vegas (usa) | Henry Akinwande (gbr) | Aleksandr Zolkin (rus) |
| Jun. | 1996 | Indio (usa) | Henry Akinwande (gbr) | Jeremy Williams (usa) |
| May | 1996 | -- | vacant | -- |
| Jun. | 1995 | Las Vegas (usa) | Riddick Bowe (usa) | Jorge Luis Gonzales (usa) |
| Mar. | 1995 | Las Vegas (usa) | Riddick Bowe (usa) | Herbie Hide (gbr) |
| Mar. | 1995 | London (gbr) | Herbie Hide (gbr) | Michael Bentt (usa) |
| Oct. | 1993 | Tulsa (usa) | Michael Bentt (usa) | Tommy Morrison (usa) |
| Jun. | 1993 | Las Vegas (usa) | Tommy Morrison (usa) | George Foreman (usa) |
| Feb. | 1993 | -- | vacant | -- |
| May | 1992 | Atlantic City (usa) | Michael Moorer (usa) | Bert Cooper (usa) |
| Jan. | 1992 | -- | vacant | -- |
| Oct. | 1991 | Atlantic City (usa) | Ray Mercer (usa) | Tommy Morrison (usa) |
| Jan. | 1991 | Atlantic City (usa) | Ray Mercer (usa) | Francesco Damiani (ita) |
| Dec. | 1989 | Cesena (ita) | Francesco Damiani (ita) | Daniel Netto (arg) |
| May | 1989 | Syracuse (usa) | Francesco Damiani (ita) | Johnny DuPlooy (usa) |
