Event of Interest
Aug 3 MLB umpire Tim Hurst instigates a riot by spitting in the face of A's 2nd baseman Eddie Collins who had questioned a call; 2 weeks later Hurst banned for life

Eddie Collins
Event of Interest
Aug 18 Mayor of Tokyo Yukio Ozaki presents Washington, D.C. with 2,000 cherry trees, which President Taft decides to plant near the Potomac River.

William Howard Taft
- Aug 19 Indianapolis 500 race track opens
- Aug 24 Workers start pouring concrete for Panama Canal
- Aug 26 Frank Tarrant scores cricket 145 & 13-67 for Middlesex v Gloucs
- Aug 26 Middlesex beat Gloucs (Bristol) by Inn & 31 in a single day
- Aug 27 Jack Chesbro's final Highlander game
- Aug 27 US National Championship Men's Tennis, Newport, RI: William Larned beats William Clothier 6-1, 6-2, 5-7, 1-6, 6-1 for his 3rd straight & 5th overall US singles title
- Aug 29 AH Latham of France sets world airplane altitude record of 155 m
- Aug 29 World's 1st air race held in Rheims France. Glenn Curtiss (USA) wins
- Aug 30 Burgess Shale fossils discovered by Charles Doolittle Walcott
- Aug 31 A J Reach Co patents cork-centered baseball
- Aug 31 Swedish runner Thure Johansson runs world record marathon (2:40:34.2) in Stockholm