With World War I in the rear-view mirror, a period of great economic growth was underway, along with the dawn of the Roaring Twenties and the Jazz Age—eras of great social change. Prohibition began as the 18th Amendment to the U.S. Constitution went into effect on January 17. The 19th Amendment giving women the right to vote was ratified on August 18. On November 2, KDKA in Pittsburgh, Pennsylvania, became the first radio station to offer regular broadcasts. Enhance your exploration of related collection items by listening to a Roaring Twenties playlist from Smithsonian Folkways.