- Aug 1 Brooklyn pitcher Dazzy Vance strikes out a MLB record 7 consecutive batters as the Robins beat Cubs, 4-0
- Aug 2 A's 1st baseman Joe Hauser sets AL record of 14 total bases in a game; 3 HRs and a double as Philadelphia beats Cleveland Indians, 12-4 at Dunn Field
- Aug 3 Dutch track cyclist Piet Moeskops wins his 4th consecutive UCI world sprint championship in Paris
- Aug 5 "Little Orphan Annie" comic strip by Harold Gray is 1st published in the New York Daily News
- Aug 8 British-Russian trade agreement signed
- Aug 11 1st newsreel pictures of US presidential candidates were taken
- Aug 16 Conference about German recovery payments opens in London
- Aug 16 Dutch-Turkish peace treaty signed
US Open Women's Tennis
Aug 16 US National Championship Women's Tennis, Forest Hills, NY: Defending champion Helen Wills Moody beats 7-time winner Molla Bjurstedt Mallory 6-1, 6-3
Helen Wills Moody
Event of Interest
Aug 25 MLB Washington Senator Walter Johnson 2nd no-hitter beats Browns, 2-0 in 7 inn
Walter Johnson
- Aug 26 The Catastrophe of Smyrna: known as the Asia Minor Catastrophe to Greeks. The Ottoman army expels Greeks and other non-Turks from Asia Minor. (August 13 OS)
- Aug 28 Georgian opposition stages the August Uprising against the Soviet Union
- Aug 29 Germany's Reichstag approves the Dawes Plan, which sought to solve the WWI reparations problem
World Record
Aug 31 Paavo Nurmi runs world record 10,000m (30:06.2)
Paavo Nurmi