- Aug 2 Charlie Grimm replaces Roger Hornsby as manager of Chicago Cubs
Scientific Discovery
Aug 2 Carl David Anderson discovers and photographs a positron, the first known antiparticle

Carl David Anderson
Event of Interest
Aug 5 Clyde Barrow and two associates kill Sheriff C.G. Maxwell and his deputy, Eugene C. Moore, the first time the Barrow gang kills a lawman

Clyde Barrow
Event of Interest
Aug 13 Hitler refuses President von Hindenburg's proposal to become vice-chancellor of Germany

Adolf Hitler
- Aug 13 Yankee pitcher Red Ruffing homers & wins game 1-0 in 10 tying
- Aug 14 10th Olympic Games at Los Angeles closes
- Aug 14 Dodger John Quinn, 49, is oldest pitcher to win a major league game
- Aug 14 Philips makes 1 millionth radio
- Aug 18 Auguste Piccard and Max Cosyns reach 16,201m in a balloon launched from Dübendorf, Switzerland
- Aug 18 Englishman James Mollisson is 1st to fly east to west over Atlantic
- Aug 19 46th U.S. Women's National Championship: Helen Jacobs beats Carolin Babcock Stark (6-2, 6-2)
- Aug 21 Wes Ferrell is 1st to win 20 games in each of his 1st 4 seasons
- Aug 22 BBC begins experimental regular TV broadcasts
Event of Interest
Aug 24 1st transcontinental non-stop flight by a woman, Amelia Earhart

Amelia Earhart
Election of Interest
Aug 30 Hermann Goering elected Chairman of the Reichstag

Hermann Goering