RADIO HISTORY By notavocado Feb 17, 1900 THE INVENTION OF THE WIRELESS TELEGRAPH Dec 24, 1906 THE FIRST BROADCAST Feb 17, 1907 LEE DE FOREST Feb 17, 1917 Radio Stations Closed Apr 17, 1917 WORLD WAR ONE Feb 17, 1920 NETWORKS Nov 17, 1920 LICENSED RADIO BROADCASTING Feb 17, 1923 ADVERTISING Feb 17, 1927 REGULATION Feb 17, 1930 RADIO AS A BIG BUSINESS Feb 17, 1932 BIG SHOWS Feb 17, 1934 THE FCC IS FORMED Feb 17, 1937 RADIO-MUSICIAN WARS Feb 17, 1982 Compact Disc (CD) Feb 17, 1991 Compressed audio MP3