Battle of Monmouth
June 28 was a very hot day.  Mary Ludwig Hayes brought water to her husband and other gunners during the battle many times.  One time, she brought water and found her husband had been shot and injured.  She took over his job as gunner.  People gave her the nickname "Molly Pitcher."  There may have been more than one real-life woman who was given the name "Molly Pitcher."