jan 1, 1876 - Alexander Graham Bell and Elias Gray
Description:
In 1876 Alexander Graham Bell and Elias Gray went to the New York Patent Office to sign the new invention: the telephone.This invention used the electricity to talk from a distance and to start a telephone network that dialing some numbers allowed you to communicate with people.
In less than 25 years one of fifty persons had a telephone in the United States.
Added to timeline:
Date:
jan 1, 1876
Now
~ 150 years ago