- Aug 15 Philadelphia A's future Baseball Hall of Fame pitcher Rube Waddell no-hits St Louis Browns, 2-0 in 5 innings
- Aug 24 Chicago Cubs beat Phillies 2-1 in 20 innings
- Aug 30 Detroit Tigers future Baseball HOF center fielder Ty Cobb makes his MLB debut, doubling off Jack Chesbro in a 5-3 win over the NY Highlanders at Bennett Park, Detroit
- Aug 31 25th US National Championship Men's Tennis, Newport, RI: Beals Wright beats defending champion Holcombe Ward 6-2, 6-1, 11-9 for his lone major singles title