Radio By blabostwick 1893 First wireless radio invented by Guglielmo Marconi. Used for communication 1905 Experimentally broadcasting 1906 First song on the radio was O Holy Night 1906 First radio used for music. Invented by Reginald Fessenden 1920 Radios started growing rapidly 1920 Golden age of Radios started The era when radios were the dominant electronic home entertainment medium. 1921 Commercially broadcasting 1922 First radio put into a Chevrolet (car) 1934 60 percent of the nations households had radios 1945 Golden age of Radios ended The golden age ended when television became more popular