On 30 April 1904 Aaron L. "Dixie Kid" Brown defeated Joe Walcott for the world welterweight boxing championship. In late 1904 he outgrew the welterweight title and fought successfully as a middleweight.

From 1899 to 1901 Dwight F. Davis captured three consecutive United States Lawn Tennis Association doubles championships. In 1901 he initiated the Davis Cup tennis tournament between the United States and Great Britain.

Playing in the "deadball era," Harry H. Davis, of the Philadelphia Athletics, led the American League in home runs for four consecutive seasons, with 10 in 1904, 8 in 1905, 12 in 1906, and 8 in 1907.

In 1904 Norman Dole became the first pole vaulter to clear twelve feet, with a vault of 12' 1 1/2".

From 1903 to 1906 Walter Eckersall led the University of Chicago football team to a 31-4-2 record through the execution of brilliant strategy, dropkicking, punting,...