This Day in History
English aviator, Amy Johnson is born. Johnson lived to become one of the world's greatest pioneers in aviation; she set numerous long distance records, married a Scottish pilot, and served in World War II.
Roland Robert Stanford Tuck, a WWII British Ace is born. Tuck was know to have destroyed at least 29 aircraft and damaged many more.
The United States postal system introduces ZIP (Zone Improvement Plan) codes, along with two-letter state abbreviations.