- Aug 1 Queen Wilhelmina opens 1st Air Fair in Amsterdam
Event of Interest
Aug 4 Rodin Museum opens in Paris in The hôtel Biron containing works left to the state by the sculptor Auguste Rodin
Auguste Rodin
- Aug 4 The Communist Bela Kun comes to power in Hungary
- Aug 6 1st air flight over a major body of water in Australia (Harry Butler)
- Aug 6 Romanian forces bring down Hungarian Soviet Republic in Budapest
- Aug 8 Treaty of Rawalpindi, British recognise Afghanistan's independence
- Aug 10 Ukrainian National Army massacres 25 Jews in Podolia Ukraine
Event of Interest
Aug 11 Green Bay Packers football club founded by George Calhoun and Curly Lambeau - named after sponsor Indian Packing Company
Curly Lambeau
- Aug 11 Weimar Republic begins in Germany
- Aug 13 Man o'War's only defeat (Upset wins at Saratoga)
- Aug 14 White Sox Happy Felsch ties record of 4 outfield assists in a game
- Aug 14 Yankee Muddy Ruel hits into a triple-play
- Aug 18 Anti-Cigarette League of America forms in Chicago, Illinois
- Aug 19 Afghanistan declares independence from UK
- Aug 20 Wichita outfielder Joe Wilhoit (Western League) fails to get a hit, ending a 69-game streak (155 hits in 299 at bats for a .505 avg)
- Aug 23 "Gasoline Alley" cartoon strip premieres in Chicago Tribune
- Aug 24 Cleveland pitcher Ray Caldwell is flattened by a bolt of lightning
- Aug 25 1st scheduled passenger service by airplane (Paris-London)
- Aug 28 General John Smuts becomes premier of South Africa
- Aug 30 Ernst Toller's "Die Wandlung" premieres in Berlin
- Aug 31 John Reed forms American Communist Labor Party in Chicago
- Aug 31 Petlyura's Ukrainian Army kills 35 members of a Jewish defense group
- Aug 31 Ukranian (Petlyura) Army recaptures Kiev