Lightweight • International Boxing Union

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Timeline

  1. 1 May 1913

    Willie Ritchie becomes the IBU Lightweight world champion

  2. 4 Jul 1913

    Willie Ritchie beats Mexican Joe Rivers via knockout 11/20

    Lightweight (135 lb)

  3. 12 Mar 1914

    Willie Ritchie beats Ad Wolgast via newspaper decision 10/10

    Lightweight (135 lb)

  4. 17 Apr 1914

    Willie Ritchie beats Harlem Tommy Murphy via points decision 20/20

    Lightweight (135 lb)

  5. 26 May 1914

    Charley White beats Willie Ritchie via newspaper decision 10/10

    Lightweight (135 lb)

  6. 7 Jul 1914

    Freddie Welsh beats Willie Ritchie via points decision 20/20

    Lightweight (135 lb)

    Freddie Welsh becomes the IBU Lightweight world champion

  7. 27 Oct 1914

    Freddie Welsh beats Matty Baldwin via points decision 12/12

    Lightweight (135 lb)

  8. 26 Nov 1914

    Freddie Welsh beats Young Abe Brown via newspaper decision 10/10

    Lightweight (135 lb)

  9. 15 Feb 1915

    Freddie Welsh beats Jimmy Anderson via newspaper decision 6/6

    Lightweight (135 lb)

  10. 25 Feb 1915

    Freddie Welsh beats Charley White via newspaper decision 10/10

    Lightweight (135 lb)

  11. 11 Mar 1915

    Willie Ritchie beats Freddie Welsh via newspaper decision 10/10

    Lightweight (135 lb)

  12. 9 Apr 1915

    Freddie Welsh beats Billy Wagner via newspaper decision 10/10

    Lightweight (135 lb)

  13. 24 May 1915

    Freddie Welsh beats Frankie Fleming via newspaper decision 10/10

    Lightweight (135 lb)

  14. 3 Jul 1915

    Charley White beats Freddie Welsh via newspaper decision 10/10

    Lightweight (135 lb)

  15. 15 Nov 1915

    Freddie Welsh beats Johnny O'Leary via newspaper decision 12/12

    Lightweight (135 lb)

  16. 31 Mar 1916

    Benny Leonard beats Freddie Welsh via newspaper decision 10/10

    Lightweight (135 lb)

  17. 4 Jul 1916

    Freddie Welsh beats Ad Wolgast via disqualification 11/15

    Lightweight (135 lb)

  18. 4 Sep 1916

    Freddie Welsh beats Charley White via points decision 20/20

    Lightweight (135 lb)

  19. 22 Sep 1916

    Freddie Welsh beats Harry Anderson via points decision 4/4

    Lightweight (135 lb)

  20. 17 Apr 1917

    Freddie Welsh beats Battling Nelson via newspaper decision 12/12

    Lightweight (135 lb)

  21. 28 May 1917

    Benny Leonard beats Freddie Welsh via knockout 9/10

    Lightweight (135 lb)

    Benny Leonard becomes the IBU Lightweight world champion

  22. 21 Sep 1917

    Benny Leonard beats Leo Johnson via knockout 1/10

    Lightweight (135 lb)

  23. 17 Nov 1919

    Benny Leonard beats Lockport Jimmy Duffy via knockout 2/15

    Lightweight (135 lb)

  24. 26 Nov 1920

    Benny Leonard beats Joe Welling via knockout 14/15

    Lightweight (135 lb)

  25. 14 Jan 1921

    Benny Leonard beats Richie Mitchell via knockout 6/15

    Lightweight (135 lb)

  26. 6 Jun 1921

    Benny Leonard beats Rocky Kansas via newspaper decision 12/12

    Lightweight (135 lb)

  27. 10 Feb 1922

    Benny Leonard beats Rocky Kansas via unanimous decision 15/15

    Lightweight (135 lb)

  28. 27 Jul 1922

    Benny Leonard beats Lew Tendler via newspaper decision 12/12

    Lightweight (135 lb)

  29. 23 Jul 1923

    Benny Leonard beats Lew Tendler via unanimous decision 15/15

    Lightweight (135 lb)

  30. 15 Jan 1925

    Benny Leonard's IBU Lightweight world title reign ends

  31. 13 Jul 1925

    Jimmy Goodrich beats Stanislaus Loayza via knockout 2/15

    Lightweight (135 lb)

    Jimmy Goodrich becomes the IBU Lightweight world champion

  32. 7 Dec 1925

    Rocky Kansas beats Jimmy Goodrich via unanimous decision 15/15

    Lightweight (135 lb)

    Rocky Kansas becomes the IBU Lightweight world champion

  33. 3 Jul 1926

    Sammy Mandell beats Rocky Kansas via points decision 10/10

    Lightweight (135 lb)

    Sammy Mandell becomes the IBU Lightweight world champion

  34. 8 Oct 1926

    Sammy Mandell beats Joe Jawson via newspaper decision 10/10

    Lightweight (135 lb)

  35. 29 Oct 1926

    Sammy Mandell beats Clausine Vincent via newspaper decision 10/10

    Lightweight (135 lb)

  36. 16 Jul 1927

    Sammy Mandell beats Phil McGraw via points decision 10/10

    Lightweight (135 lb)

  37. 21 May 1928

    Sammy Mandell beats Jimmy McLarnin via unanimous decision 15/15

    Lightweight (135 lb)

  38. 2 Aug 1929

    Sammy Mandell beats Tony Canzoneri via split decision 10/10

    Lightweight (135 lb)

  39. 17 Jul 1930

    Al Singer beats Sammy Mandell via knockout 1/15

    Lightweight (135 lb)

    Al Singer becomes the IBU Lightweight world champion

  40. 14 Nov 1930

    Tony Canzoneri beats Al Singer via knockout 1/15

    Lightweight (135 lb)

    Tony Canzoneri becomes the IBU Lightweight world champion

  41. 24 Apr 1931

    Tony Canzoneri beats Jack Kid Berg via knockout 3/10

    Lightweight (135 lb)

  42. 10 Sep 1931

    Tony Canzoneri beats Jack Kid Berg via unanimous decision 15/15

    Lightweight (135 lb)

  43. 20 Nov 1931

    Tony Canzoneri beats Kid Chocolate via split decision 15/15

    Lightweight (135 lb)

  44. 4 Nov 1932

    Tony Canzoneri beats Billy Petrolle via unanimous decision 15/15

    Lightweight (135 lb)

  45. 23 Jun 1933

    Barney Ross beats Tony Canzoneri via majority decision 10/10

    Lightweight (135 lb)

    Barney Ross becomes the IBU Lightweight world champion

  46. 12 Sep 1933

    Barney Ross beats Tony Canzoneri via split decision 15/15

    Lightweight (135 lb)

  47. 15 Apr 1935

    Barney Ross's IBU Lightweight world title reign ends

  48. 10 May 1935

    Tony Canzoneri beats Lou Ambers via unanimous decision 15/15

    Lightweight (135 lb)

    Tony Canzoneri becomes the IBU Lightweight world champion

  49. 4 Oct 1935

    Tony Canzoneri beats Al Roth via unanimous decision 15/15

    Lightweight (135 lb)

  50. 3 Sep 1936

    Lou Ambers beats Tony Canzoneri via unanimous decision 15/15

    Lightweight (135 lb)

    Lou Ambers becomes the IBU Lightweight world champion

  51. 7 May 1937

    Lou Ambers beats Tony Canzoneri via unanimous decision 15/15

    Lightweight (135 lb)

  52. 23 Sep 1937

    Lou Ambers beats Pedro Montanez via majority decision 15/15

    Lightweight (135 lb)

  53. 22 Apr 1938

    Lou Ambers's IBU Lightweight world title reign ends

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