 | | Title | Mr. | | Name: | James J. | | Surname: | Jeffries | | Nationality: |  USA | | Date of Birth: | 15/04/1875 | | Died: | 03/03/1953 | | Function: | Athlete | | | | Biography: | | World heavyweight champion (1899-1905); retired undefeated but came back to fight Jack Johnson in 1910 and lost (KO, 15th). | | | | Related Database Events: | | Boxing | 4/7/1910 | | Boxing | 3/7/1905 | | Boxing | 9/6/1899 |
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