Joe Louis History: June 15, 1951 - Joe Louis scored his last knock out victory March 1, 1949 - Joe Louis retires as heavyweight boxing champ June 25, 1948 - Joe Louis KOs Jersey Joe Walcott in 11 for heavyweight boxing title December 5, 1947 - Joe Louis beats Jersey Joe Walcott in 15 for heavyweight boxing title June 25, 1947 - Heavyweight Joe Louis KOs Tami Mauriello September 18, 1946 - Joe Louis KOs Tami Mauriello in 1 for heavyweight boxing title June 19, 1946 - 1st TV sports spectacular - Joe Louis KOs Billy Conn June 9, 1946 - Joe Louis KOs Billy Conn in 8 for heavyweight boxing title October 1, 1945 - Heavyweight champ Joe Louis is discharged from army March 27, 1942 - Joe Louis KOs Abe Simon in 6 to retain heavyweight boxing title (New York City) January 9, 1942 - Joe Louis KOs Buddy Baer in 1 for heavyweight boxing title September 29, 1941 - Joe Louis TKOs Lou Nova in 6 for heavyweight boxing title June 18, 1941 - Joe Louis KOs Billy Conn in 13 for heavyweight boxing title May 23, 1941 - Joe Louis beats Buddy Baer on DQ in 7 for heavyweight boxing title April 8, 1941 - Joe Louis TKOs Tony Musto in 9 for heavyweight boxing title March 21, 1941 - Joe Louis KOs Abe Simon in 13 for heavyweight boxing title February 17, 1941 - Joe Louis KOs Gus Dorazio in 2 for heavyweight boxing title January 31, 1941 - Joe Louis KOs Red Burman in 5 for heavyweight boxing title December 16, 1940 - Joe Louis KOs Al McCoy in 6 for heavyweight boxing title in Chicago June 20, 1940 - Joe Louis TKOs Arturo Godoy in 8 for heavyweight boxing title March 29, 1940 - Joe Louis KOs Johnny Paycheck in 2 to retain heavyweight boxing title February 9, 1940 - Joe Louis beats Arturo Godoy in 15 for heavyweight boxing title September 20, 1939 - Joe Louis KOs Bob Pastor in 11 for heavyweight boxing title June 28, 1939 - Joe Louis TKOs Tony Galent in 4 for heavyweight boxing title April 17, 1939 - Joe Louis KOs Jack Roper in 1 for heavyweight boxing title January 25, 1939 - Joe Louis KOs John Henry Lewis in 1 for heavyweight boxing title June 22, 1938 - Joe Louis KOs Max Schmeling at 2:04 of 1st round at Yankee Stadium April 1, 1938 - Joe Louis KOs Harry Thomas in 5 for heavyweight boxing title February 23, 1938 - Joe Louis KOs Nathan Mann in 3 for heavyweight boxing title August 30, 1937 - Joe Louis beats Tommy Farr in 15 for heavyweight boxing title June 22, 1937 - Joe Louis KOs James J. Braddock in 18 for heavyweight boxing title June 25, 1935 - Joe Louis defeats Primo Carnera at Yankee Stadium May 13, 1914 - Joe Louis, world heavyweight boxing champion, 1937 - 1949