This history of Argentina's pioneering efforts in broadcasting shows how the country set the pace for almost all radio innovations in the region. The country's influence in radio was so great that by 1940 Argentina had the second largest commercial radio network in the world. From the broadcast of Richard Wagner's opera Parsifal in 1920, to 1944, when Juan Peron's popularity was on the rise, radio in Argentina created a sense of national pride: radio theater produced a common past, sportscasting built new allegiances, and broadcasts popularized Argentine music. And while it did present...