1920
First Radio Transmission in Argentina- Primera transmisión radial en Argentina"Los Locos de la Azotea" ("The crazy ones on the Roof" ) are going to do the first transmission in Buenos Aires, Argentina. The night of the 27th of August of 1920 , the doctor Enrique Susini had everything installed: radio equipment and an antenna on the rothe theater named Coliseo de Buenos Aires. At 21 hours, Susini announced the beginning of the inauguration of the transmission which was organized together with Miguel Mujica, Luis Romero Carranza and César Guerrico from Theater Coliseo, where the Society of the Argentinian Radio presented the opera “Parsifal” of Richard Wagner. After that followed under the direction of Félix von Wingartner,began the Overture of the historic transmission that lasted almost three hours. The next day, the newspaper La Razón headline was (the audition that fell from the heavens "audición llovida del cielo".
In Argentina, the new era began in 1897 the physicist and Italian engineer Teobaldo J. Ricaldoni, began to transmit radio electric transmissions as the ones occurring in different parts of the world. But, because of the security risks during WWI stopped all radio transmissions in Argentina.But, in 1919, fifteen Argentinians radio enthusiasts reinstalled their antennas and retake their receivers.