- Jul 5 Tony Cuccinello (Brooklyn Dodgers) and Al Cuccinello (New York Giants) become first brothers to both hit a MLB homer in the same game; Dodgers win 14-4
Wimbledon Men's Champiosnhip
Jul 5 Wimbledon Men's Tennis: Fred Perry successfully defends his title against German Gottfried von Cramm 6-2, 6-4, 6-4
- Jul 6 Rotterdam architect A van de Steurs Museum Boymans opens
Moody Wins 7th Title
Jul 6 Wimbledon Women's Tennis: Helen Wills Moody wins her 7th of 8 Wimbledon singles titles beating Helen Jacobs 6-3, 3-6, 7-5
Strauss Resigns Nazi Office
Jul 13 Richard Strauss resigns as chairman of Reichsmusikkammer, (Nazi Reich Chamber of Music)
- Jul 13 US-Russian commerce treaty takes effect
- Jul 16 First automatic parking meter in the United States is installed in Oklahoma City, Oklahoma
- Jul 17 "Variety" publishes famous headline "Sticks Nix Hick Pix"
- Jul 18 Amsterdam city council accept city growth plan through the year 2000
- Jul 20 1st broadcast of "Gang Busters" on NBC-radio
- Jul 20 Switzerland: A Royal Dutch Airlines plane en route from Milan to Frankfurt crashes into a Swiss mountain, killing thirteen
- Jul 22 Lester Walton appointed US minister to Liberia
- Jul 24 1st greetings telegram sent in Britain
- Jul 24 The world's first children's railway opens in Tbilisi, USSR
- Jul 27 Floods at Yangtzee Jiang and Hoangh, kill 200,000
- Jul 28 29th Tour de France won by Romain Maes of Belgium
- Jul 29 International Lawn Tennis Challenge, Wimbledon: 3rd straight GB title as Pat Hughes & Raymond Tuckey beat Americans Wilmer Allison & John Van Ryn 6-2, 1-6, 6-8, 6-3, 6-3 for unassailable 3-0 lead; ends 5-0
- Jul 30 1st Penguin book is published, starting the paperback revolution
- Jul 31 3rd Dutch government of Prime Minister Hendrikus Colijn sworn in