Historic Event
Aug 1 Queen Wilhelmina opens 1st Air Fair in Amsterdam
Historic Event
Aug 4 Rodin Museum opens in Paris in The hôtel Biron containing works left to the state by the sculptor Auguste Rodin
- Aug 4 Hungarian communist leader Béla Kun flees to Vienna after the Hungarian Soviet Republic is overthrown by the Romanian Army
- 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
Sports History
Aug 11 Green Bay Packers football club founded by George Calhoun and Curly Lambeau - named after sponsor Indian Packing Company
- Aug 11 Weimar Republic begins in Germany
- Aug 13 American thoroughbred racehorse Man o' War's only defeat in 21 start career; Upset wins Sanford Memorial Stakes at Saratoga Race Course
- Aug 14 Chicago White Sox outfielder Happy Felsch ties MLB record of 4 outfield assists in a game in 15-6 loss to Boston Red Sox
- Aug 18 Anti-Cigarette League of America forms in Chicago, Illinois
- Aug 19 After nearly 100 years of British control, Afghanistan declares itself independent
- 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 .505 average)
- Aug 23 "Gasoline Alley" cartoon strip premieres in Chicago Tribune
- Aug 24 Having pitched into the 9th inning Cleveland's Ray Caldwell is flattened by a bolt of lightning; goes on to record final out for Indians' 2-1 win over Philadelphia A's
- 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 Ukrainian (Petlyura) Army recaptures Kiev