7 mar 1876 ano - PATENT GRANTED

Descrição:

Alexander Graham Bell was given his patent for his idea of the telephone on March 7th, 1876. Shortly after the patent was granted, the very first words were spoken successfully through the first ever telephone. These first words were “Mr. Watson, come here, I want to see you".
(http://www.britannica.com/biography/Alexander-Graham-Bell) Video on the evolution of the telephone.