| 1890 |
| Jan. 13 | Billy Murphy | KO 14 | Ike Weir | San Francisco | |
| | The Police Gazette promoted this as a world championship fight | |
| Feb. 2 | Young Griffo | KO 15 | Billy Murphy | Sydney | |
| May 7 | George Dixon | KO 18 | Nunc Wallace | London | |
| | Dixon claimed the title after this fight | |
| 1891 |
| Jul. 28 | George Dixon | KO 5 | Abe Willis | San Francisco | |
| | Dixon won universal recognition with this victory | |
| 1897 |
| Oct. 4 | Solly Smith | W 20 | George Dixon | San Francisco | |
| 1898 |
| Sep. 26 | Dave Sullivan | KO 6 | Solly Smith | Brooklyn | |
| Nov. 11 | George Dixon | W Disq. 10 | Dave Sullivan | New York City | |
| 1900 |
| Jan. 9 | Terry McGovern | KO 9 | George Dixon | New York City | |
| 1901 |
| Nov. 28 | Young Corbett | KO 2 | Terry McGovern | Hartford | |
| | Corbett and McGovern both became lightweights and Abe Attell claimed the title | |
| 1903 |
| Sep. 3 | Abe Attell | W 20 | Johnny Reagan | St. Louis | |
| 1904 |
| Oct. 13 | Tommy Sullivan | KO 5 | Abe Attell | St. Louis | |
| | Attell said that Sullivan was over the weight limit and still claimed the title | |
| 1908 |
| Apr. 30 | Abe Attell | KO 4 | Tommy Sullivan | San Francisco | |
| | Attell cemented his claim to the title with this knockout | |
| 1912 |
| Feb. 22 | Johnny Kilbane | W 20 | Abe Attell | Vernon, CA | |
| 1923 |
| May 2 | Eugene Criqui | KO 6 | Johnny Kilbane | New York City | |
| Jul. 26 | Johnny Dundee | W 15 | Eugene Criqui | New York City | |
| 1925 |
| | Dundee outgrew the division; a tournament was held to determine the champion | |
| Jan. 2 | Louis Kid Kaplan | KO 9 | Danny Kramer | New York City | |
| | This was the final of the tournament | |
| 1927 |
| | Kaplan moved up in class; Bass and Chapman fought for the vacant title | |
| Sep. 12 | Benny Bass | W 10 | Red Chapman | Philadelphia | |
| 1928 |
| Feb. 10 | Tony Canzoneri | W 15 | Benny Bass | New York City | |
| Sep. 28 | Andre Routis | W 15 | Tony Canzoneri | New York City | |
| 1929 |
| Sep. 23 | Battling Battalino | W 15 | Andre Routis | Hartford | |
| 1932 |
| | Battalino moved up in class; the NBA held a tournament to determine the champion | |
| May 26 | Tommy Paul | W 15 | Johnny Pena | Detroit | NBA |
| | This was the final of the NBA tournament | |
| Oct. 13 | Kid Chocolate | KO 12 | Lew Feldman | New York City | NY |
| | New York recognized Chocolate as champion because Feldman had beaten Paul | |
| 1933 |
| Jan. 13 | Freddie Miller | W 10 | Tommy Paul | Chicago | NBA |
| 1936 |
| May 11 | Petey Sarron | W 15 | Freddie Miller | Washington, DC | NBA |
| 1937 |
| Oct. 29 | Henry Armstrong | KO 6 | Petey Sarron | New York City | |
| 1938 |
| Oct. 17 | Joey Archibald | W 15 | Mike Belloise | New York City, NY | NY |
| | Armstrong moved up in class; New York matched Archibald and Belloise for the title | |
| 1939 |
| Apr. 18 | Joey Archibald | W 15 | Leo Rodak | Providence | |
| | Archibald won universal recognition with this victory | |
| 1940 |
| May 20 | Harry Jeffra | W 15 | Joey Archibald | Baltimore | |
| 1941 |
| May 12 | Joey Archibald | W 15 | Harry Jeffra | Washington, DC | |
| | The NBA withdrew recognition of Archibald because he wouldn't fight Petey Scalzo | |
| Jul. 1 | Richie Lemos | KO 5 | Petey Scalzo | Los Angeles | NBA |
| Sep. 11 | Chalky Wright | KO 11 | Joey Archibald | Washington, DC | |
| Nov. 18 | Jackie Wilson | W 12 | Richie Lemos | Los Angeles | NBA |
| 1942 |
| Nov. 20 | Willie Pep | W 15 | Chalky Wright | New York City | |
| 1943 |
| Jan. 18 | Jackie Callura | W 15 | Jackie Wilson | Providence | NBA |
| Aug. 16 | Phil Terranova | KO 8 | Jackie Callura | New Orleans | NBA |
| 1944 |
| Mar. 10 | Sal Bartolo | W 15 | Phil Terranova | Boston | NBA |
| 1946 |
| May 7 | Willie Pep | KO 12 | Sal Bartolo | New York City | Unified |
| 1948 |
| Oct. 29 | Sandy Saddler | KO 4 | Willie Pep | New York City | |
| 1949 |
| Feb. 11 | Willie Pep | W 15 | Sandy Saddler | New York City | |
| 1950 |
| Sep. 8 | Sandy Saddler | KO 8 | Willie Pep | Bronx, NY | |
| 1957 |
| | Saddler relinquished the title because of injuries suffered in an auto accident | |
| May 24 | Hogan Kid Bassey | KO 10 | Cherif Hamia | Paris | |
| | This was the final bout of a tournament to determine the new champion | |
| 1959 |
| Mar. 18 | Davey Moore | KO 14 | Hogan Kid Bassey | Los Angeles | |
| 1963 |
| Mar 21 | Sugar Ramos | RTD 10 | Davey Moore | Los Angeles, California | WBA, WBC |
| 1964 |
| Sep 26 | Vicente Saldivar | TKO 12 | Sugar Ramos | Mexico City, Mexico | WBA, WBC |
| 1968 |
| | Vicente Saldivar retired; the following two matches were for the vacated titles | |
| Jan 23 | Howard Winstone | TKO 9 | Mitsunori Seki | London, England | WBC |
| Mar 28 | Raul Rojas | UD 15 | Enrique Higgins | Los Angeles, California | WBA |
| Jul 24 | Jose Legra | TKO 5 | Howard Winstone | Porthcawl, Wales | WBC |
| Sep 27 | Shozo Saijo | UD 15 | Raul Rojas | Los Angeles, California | WBA |
| 1969 |
| Jan 21 | Johnny Famechon | PTS 15 | Jose Legra | London, England | WBC |
| 1970 |
| May 9 | Vicente Saldivar | UD 15 | Johnny Famechon | Roma, Italy | WBC |
| Dec 11 | Kuniaki Shibata | RTD 12 | Vicente Saldivar | Tijuana, Baja California, Mexico | WBC |
| 1971 |
| Sep 2 | Antonio Gomez | KO 5 | Shozo Saijo | Tokyo, Japan | WBA |
| 1972 |
| May 19 | Clemente Sanchez | KO 3 | Kuniaki Shibata | Tokyo, Japan | WBC |
| Aug 19 | Ernesto Marcel | MD 15 | Antonio Gomez | Maracay, Venezuela | WBA |
| Dec 16 | Jose Legra | TKO 10 | Clemente Sanchez | Monterrey, Mexico | WBC |
| 1973 |
| May 5 | Eder Jofre | MD 15 | Jose Legra | Brasília, Brazil | WBC |
| 1974 |
| | Ernesto Marcel retired; Olivares and Utagawa fought for the vacant WBA title | |
| Jul 9 | Ruben Olivares | KO 7 | Zensuke Utagawa | Inglewood, California | WBA |
| | Eder Jofre was stripped of the WBC title; Chacon and Marcano fought for the vacant title | |
| Sep 7 | Bobby Chacon | TKO 9 | Alfredo Marcano | Los Angeles, California | WBC |
| Nov 23 | Alexis Arguello | KO 13 | Ruben Olivares | Inglewood, California | WBA |
| 1975 |
| Jun 20 | Ruben Olivares | TKO 2 | Bobby Chacon | Inglewood, California | WBC |
| Sep 20 | David Kotey | SD 15 | Ruben Olivares | Inglewood, California | WBC |
| 1976 |
| Nov 6 | Danny Lopez | UD 15 | David Kotey | Accra, Ghana | WBC |
| 1977 |
| | Alexis Arguello vacated the WBA title; Ortega and Coronado fought for the vacant titel | |
| Jan 15 | Rafael Ortega | UD 15 | Francisco Coronado | Panama City, Panama | WBA |
| Dec 17 | Cecilio Lastra | SD 15 | Rafael Ortega | Santander, Spain | WBA |
| 1978 |
| Apr 15 | Eusebio Pedroza | TKO 13 | Cecilio Lastra | Panama City, Panama | WBA |
| 1980 |
| Feb 2 | Salvador Sanchez | TKO 13 | Danny Lopez | Phoenix, Arizona | WBC |
| 1982 |
| | Salvador Sanchez was killed in an auto accident; La Porte and Miranda fought for the vacant WBC title | |
| Sep 15 | Juan La Porte | TKO 10 | Mario Miranda | New York, New York | WBC |
| 1984 |
| Mar 4 | Min Keun Oh | KO 2 | Joko Arter | Seoul, Korea | IBF |
| Mar 31 | Wilfredo Gomez | UD 12 | Juan La Porte | Hato Rey, Puerto Rico | WBC |
| Dec 8 | Azumah Nelson | KO 11 | Wilfredo Gomez | San Juan, Puerto Rico | WBC |
| 1985 |
| Jun 8 | Barry McGuigan | UD 15 | Eusebio Pedroza | London, England | WBA |
| Nov 29 | Ki-Young Chung | TKO 15 | Min Keun Oh | Chongju, Korea | IBF |
| 1986 |
| Jun 23 | Steve Cruz | UD 15 | Barry McGuigan | Las Vegas, Nevada | WBA |
| Aug 30 | Antonio Rivera | TKO 10 | Ki-Young Chung | Osan City, Korea | IBF |
| 1987 |
| Mar 6 | Antonio Esparragoza | TKO 12 | Steve Cruz | Fort Worth, Texas | WBA |
| 1988 |
| Jan 23 | Calvin Grove | TKO 4 | Antonio Rivera | Gamaches, France | IBF |
| | Azumah Nelson vacated the WBC title; Fenech and Callejas fought for the vacant title | |
| Mar 7 | Jeff Fenech | TKO 10 | Victor Callejas | Sydney, Australia | WBC |
| Aug 4 | Jorge Paez | MD 15 | Calvin Grove | Mexicali, Mexico | IBF |
| 1989 |
| Jan 28 | Maurizio Stecca | TKO 6 | Pedro Nolasco | Milan, Italy | WBO |
| Nov 11 | Louie Espinoza | TKO 7 | Maurizio Stecca | Rimini, Italy | WBO |
| 1990 |
| Apr 7 | Jorge Paez | SD 12 | Louie Espinoza | Las Vegas, Nevada | WBO |
| | Jeff Fenech vacated the WBC title; Villasana and Hodkinson fought for the vacant title | |
| Jun 2 | Marcos Villasana | TKO 8 | Paul Hodkinson | Manchester, England | WBC |
| 1991 |
| | Jorge Paez vacated the WBO title; Stecca and Reyes fought for the vacant title | |
| Jan 26 | Maurizio Stecca | TKO 5 | Armando Juan Reyes | Sassari, Italy | WBO |
| Mar 30 | Yong-Kyun Park | UD 12 | Antonio Esparragoza | Gwangju City, Korea | WBA |
| | Jorge Paez vacated the IFB title; Dorsey and Rangel fought for the vacant title | |
| Jun 3 | Troy Dorsey | KO 1 | Alfred Rangel | Las Vegas, Nevada | IBF |
| Aug 12 | Manuel Medina | UD 12 | Troy Dorsey | Inglewood, California | IBF |
| Nov 13 | Paul Hodkinson | UD 12 | Marcos Villasana | Belfast, Northern Ireland | WBC |
| 1992 |
| May 16 | Colin McMillan | UD 12 | Maurizio Stecca | London, England | WBO |
| Sep 26 | Ruben Dario Palacios | TKO 8 | Colin McMillan | London, England | WBO |
| 1993 |
| Feb 26 | Tom Johnson | SD 12 | Manuel Medina | Melun, France | IBF |
| | Ruben Dario Palacios retired; Robinson and Davison fought for the vacant WBO title | |
| Apr 17 | Steve Robinson | UD 12 | John Davison | Washington, England | WBO |
| Apr 28 | Gregorio Vargas | TKO 7 | Paul Hodkinson | Dublin, Ireland | WBC |
| Dec 4 | Kevin Kelley | UD 12 | Gregorio Vargas | Reno, Nevada | WBC |
| Dec 4 | Eloy Rojas | SD 12 | Yong-Kyun Park | Gwangmyeong City, Korea | WBA |
| 1995 |
| Jan 7 | Alejandro Gonzalez | TKO 10 | Kevin Kelley | San Antonio, Texas | WBC |
| Sep 23 | Manuel Medina | SD 12 | Alejandro Gonzalez | Sacramento, California | WBC |
| Sep 30 | Naseem Hamed | TKO 8 | Steve Robinson | Cardiff, Wales | WBO |
| Dec 11 | Luisito Espinosa | UD 12 | Manuel Medina | Tokyo, Japan | WBC |
| 1996 |
| May 18 | Wilfredo Vazquez | TKO 11 | Eloy Rojas | Las Vegas, Nevada | WBA |
| 1997 |
| Feb 8 | Naseem Hamed | TKO 8 | Tom Johnson | London, England | IBF |
| | Naseem Hamed vacated the IBF title; Lizarraga and Ncita fought for the vacant title | |
| Dec 13 | Hector Lizarraga | TKO 10 | Welcome Ncita | Pompano Beach, Florida | IBF |
| 1998 |
| | Wilfredo Vazquez was stripped of the WBA title; Norwood and Cermeno fought for the vacant title | |
| Apr 3 | Freddie Norwood | UD 12 | Antonio Cermeno | Bayamon, Puerto Rico | WBA |
| Apr 24 | Manuel Medina | UD 12 | Hector Lizarraga | San Jose, California | IBF |
| | Freddie Norwood was stripped of the WBA title; Rios and Cermeno fought for the vacant title | |
| Oct 3 | Antonio Cermeno | KO 4 | Genaro Rios | Caracas, Venezuela | WBA |
| 1999 |
| May 15 | Cesar Soto | UD 12 | Luisito Espinosa | El Paso, Texas | WBC |
| May 29 | Freddie Norwood | SD 12 | Antonio Cermeno | San Juan, Puerto Rico | WBA |
| Oct 22 | Naseem Hamed | UD 12 | Cesar Soto | Detroit, Michigan | WBC |
| Nov 13 | Paul Ingle | UD 12 | Manuel Medina | Cottingham, England | IBF |
| 2000 |
| | Naseem Hamed vacated the WBC title; Espadas and Espinosa fought for the vacant title | |
| Apr 14 | Guty Espadas Jr. | TD 11 | Luisito Espinosa | Merida, Mexico | WBC |
| Sep 9 | Derrick Gainer | TKO 11 | Freddie Norwood | New Orleans, Louisiana | WBA |
| Dec 16 | Mbulelo Botile | TKO 12 | Paul Ingle | Sheffield, England | IBF |
| 2001 |
| | Naseem Hamed vacated the WBO title; Kovacs and Diaz fought for the vacant title | |
| Jan 27 | Istvan Kovacs | TKO 12 | Antonio Diaz | Munich, Germany | WBO |
| Feb 17 | Erik Morales | UD 12 | Guty Espadas Jr. | Las Vegas, Nevada | WBC |
| Apr 6 | Frank Toledo | UD 12 | Mbulelo Botile | Las Vegas, Nevada | IBF |
| Jun 16 | Julio Pablo Chacon | TKO 6 | Istvan Kovacs | Budapest, Hungary | WBO |
| Nov 16 | Manuel Medina | RTD 5 | Frank Toledo | Las Vegas, Nevada | IBF |
| 2002 |
| Apr 27 | Johnny Tapia | MD 12 | Manuel Medina | New York, New York | IBF |
| Jun 22 | Marco Antonio Barrera | UD 12 | Erik Morales | Las Vegas, Nevada | WBC |
| Oct 19 | Scott Harrison | UD 12 | Julio Pablo Chacon | Glasgow, Scotland | WBO |
| | Marco Antonio Barrera vacated the WBC title; Morales and Ayala fought for the vacant title | |
| Nov 16 | Erik Morales | UD 12 | Paulie Ayala | Las Vegas, Nevada | WBC |
| 2003 |
| | Johnny Tapia vacated the IBF title; Marquez and Medina fought for the vacant title | |
| Feb 1 | Juan Manuel Marquez | TKO 7 | Manuel Medina | Las Vegas, Nevada | IBF |
| Jul 12 | Manuel Medina | SD 12 | Scott Harrison | Glasgow, Scotland | WBO |
| Sep 26 | Chris John | SD 12 | Oscar Leon | Kuta, Indonesia | WBA |
| | Erik Morales vacated the WBC title; Chi and Brodie fought for the vacant title | |
| Oct 18 | In-Jin Chi | PTS 12 | Michael Brodie | Manchester, England | WBC |
| Nov 1 | Juan Manuel Marquez | TD 7 | Derrick Gainer | Grand Rapids, Michigan | IBF, WBA |
| Nov 29 | Scott Harrison | TKO 11 | Manuel Medina | Glasgow, Scotland | WBO |
| 2005 |
| | Juan Manuel Marquez was stripped of the IBF and WBA titles; John was named WBA champion | |
| Aug 7 | Chris John | TKO 10 | Tommy Browne | Penrith, Australia | WBA |
| 2006 |
| | Pereira and Rakkiatgym fought for the vacant IBF title | |
| Jan 20 | Valdemir Pereira | UD 12 | Fahprakorb Rakkiatgym | Mashantucket, Connecticut | IBF |
| Jan 29 | Takashi Koshimoto | SD 12 | In-Jin Chi | Fukuoka, Japan | WBC |
| May 13 | Eric Aiken | DQ 8 | Valdemir Pereira | Boston, Massachusetts | IBF |
| Jul 30 | Rodolfo Lopez | TKO 7 | Takashi Koshimoto | Fukuoka, Japan | WBC |
| Sep 2 | Robert Guerrero | RTD 8 | Eric Aiken | Los Angeles, California | IBF |
| Nov 4 | Orlando Salido | ND 12 | Robert Guerrero | Las Vegas, Nevada | IBF |
| Dec 17 | In-Jin Chi | UD 12 | Rodolfo Lopez | Seoul, Korea | WBC |
| 2007 |
| | Orlando Salido was stripped of the IBF title; Guerrero and Abazi fought for the vacant title | |
| Feb 23 | Robert Guerrero | TKO 9 | Spend Abazi | Copenhagen, Denmark | IBF |
| 2007 |
| | In-Jin Chi vacated the WBC title; Linares and Larios fought for the vacant title | |
| Jul 21 | Jorge Linares | TKO 10 | Oscar Larios | Las Vegas, Nevada | WBC |
| | Juan Manuel Marquez was stripped of the WBO title; Luevano and Cook fought for the vacant title | |
| Jul 14 | Steven Luevano | KO 11 | Nicky Cook | Greenwich, England | WBO |
| 2008 |
| | Jorge Linares vacated the WBC title; Larios was named champion | |
| May 31 | Oscar Larios | TKO 5 | Feider Viloria | Chetumal, Mexico | WBC |
| | | |
| Oct 23 | Cristobal Cruz | SD 12 | Orlando Salido | Airway Heights, Washington | IBF |
| 2009 |
| Mar 12 | Takahiro Aoh | UD 12 | Oscar Larios | Tokyo, Japan | WBC |
| Jul 14 | Elio Rojas | UD 12 | Takahiro Aoh | Tokyo, Japan | WBC |
| 2010 |
| Jan 23 | Juan Manuel Lopez | TKO 7 | Steven Luevano | New York City | WBO |
| May 15 | Orlando Salido | SD 12 | Cristobal Cruz | Ciudad Obregon, Mexico | IBF |
| Sep 11 | Yuriorkis Gamboa | UD 12 | Orlando Salido | Las Vegas, Nevada | IBF |