Historia General - Prueba 49

Juegos → Historia General

49. ¿Cuándo se hace la primera llamada de teléfono? Pistas: Las siguientes pistas sobre el contexto de este evento histórico te podrían ayudar a encontrar la solución correcta. Imagen: An actor portraying Alexander Graham Bell speaking into a early model of the telephone. This work is in the public domain because it was published in the United States between 1924 and 1963 and although there may or may not have been a copyright notice, the copyright was not renewed. Unless its author has been dead for the required period, it is copyrighted in the countries or areas that do not apply the rule of the shorter term for US works, such as Canada (50 pma), Mainland China (50 pma, not Hong Kong or Macao), Germany (70 pma), Mexico (100 pma), Switzerland (70 pma), and other countries with individual treaties. See Commons:Hirtle chart for further explanation.