15/05/1940 Nylon stockings first become available for sale
Polymer History and Nylon
A brief history of nylon
DuPont Nylon is Still Changing the World
Nylon stockings were first introduced by chemical company DuPont at the 1939 New York World's Fair. On May 15, 1940, they went on sale for the first time in Wilmington, Delaware. The demand for stockings increased and spread throughougt the United States with up to 4 million pairs being purchased in a single day.