Philadelphia Jack O'Brien

Philadelphia Jack O'Brien (* 17th January 1878 in Philadelphia , Pennsylvania , USA ; † 12. November 1942 ) was an American boxer in the light heavyweight division . He won the world championship belt on December 20, 1905, when he defeated the British Bob Fitzsimmons in the 13th round by giving up.

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personal data
SURNAME	O'Brien, Philadelphia Jack
BRIEF DESCRIPTION	American light heavyweight boxer
DATE OF BIRTH	January 17, 1878
PLACE OF BIRTH	Philadelphia , Pennsylvania , USA
DATE OF DEATH	November 12, 1942