10th » Meher Baba begins his silence of 44 years. His followers observe Silence Day on this date in commemoration.
10th » Scopes Trial: In Dayton, Tennessee, the so-called "Monkey Trial" begins with John T. Scopes, a young high school science teacher accused of teaching evolution in violation of the Butler Act.
18th » Adolf Hitler publishes his personal manifesto 'Mein Kampf'.
21st » Scopes Trial: In Dayton, Tennessee, high school biology teacher John T. Scopes is found guilty of teaching evolution in class and fined $100.
21st » Sir Malcolm Campbell, father of Donald Campbell, becomes the first man to break the convert 150 mph 0 abbr=on land barrier at Pendine Sands in Wales. He drove a Sunbeam (car company) Sunbeam at a two-way average speed of convert 150.33 mph 0 abbr=on.
25th » Telegraph Agency of the Soviet Union (TASS) is established.
18th » Shirley Strickland, Australian runner (d. 2004)
18th » Friedrich Zimmermann, German lawyer and politician, Federal Ministry of the Interior (Germany) named German Federal Minister of the Interior (d. 2012)