Pittsburgh, PA, United States
Radio Station KDKA. World's first commercial station began operating November 2, 1920, when KDKA reported Harding-Cox election returns from a makeshift studio at the East Pittsburgh Works of Westinghouse. Music, sports, talks, and special events were soon being regularly aired.
Listen to the audio guide for Blue plaque № 28411 Free on WIP — starts by itself when you arrive, even with the screen off