history of radio By jg141684 Sep 23, 1895 radio was made in Sep 23, 1906 lee de forest created the audion tube Sep 23, 1920 KDKA was made Sep 23, 1920 later re-named KDKA Sep 23, 1920 one famous station was named 8xk Sep 23, 1922 WEAF aired for 10 min. Sep 23, 1927 FRC was established Sep 23, 1927 call leters were made Sep 23, 1930 golden era Sep 23, 1930 T.V apperance Sep 23, 1932 radio proggression climbed Sep 23, 1935 very few options of music Sep 23, 1940 the end of the golden era Sep 23, 1940 fmaiy medium Sep 23, 1945 shows started to get famous