- Jul 6 1st Republican state convention held in Jackson, Michigan
- Jul 13 US forces shell and burn San Juan del Norte, Nicaragua
- Jul 13 In the Battle of Guaymas, Mexico, General Jose Maria Yanez stops the French invasion led by Count Gaston de Raousset Boulbon
Historic Invention
Jul 25 Walter Hunt is awarded the first U.S. patent for a paper shirt collar
Walter Hunt