7 mar 1876 ano - 1876 7th of March Alexander Bell invented the acoustic telegraph and patented it The first call was to his partner, Thomas Watson. This introduced phone systems and long distant calling which has become So important now. The invention was obviously important because We now have led on to wireless Calling long distance.
Adicionado na linha do tempo:
Data:
7 mar 1876 ano
Agora
~ 149 years ago