1920s Timeline By JacobCStewart Nov 2, 1920 KDKA goes on the air from Pittsburgh The first commercially licensed station on the air was in Pittsburgh Jan 25, 1924 1st Winter Olympics Held The first Winter Olympics was held in Chamonix, France May 21, 1927 Charles Lindberg completes solo flight across the Atlantic Charles does his first nonstop flight across the Atlantic, from Long Island, New York, to Paris, France