Communications

By moyam
  • Claude Chappe

    Claude Chappe
    Claude Chappe invents the first long-distance semaphore (visual or optical) telegraph line.
  • Joseph Henry

    Joseph Henry
    Joseph Henry invents the first electric telegraph.
  • Samuel Morse

    Samuel Morse
    Samuel Morse invents Morse code.
  • Pony Express

    Pony Express
    United States starts the Pony Express for mail delivery
  • Alexander Graham Bell

    Alexander Graham Bell
    Alexander Graham Bell patents the electric telephone
  • Almon Strowger

    Almon Strowger
    Almon Strowger patents the direct dial telephone or automatic telephone exchange.
  • First call

    First call
    First cross continental telephone call made.
  • Zip codes

    Zip codes
    Zip codes invented in the United States.
  • Cellular Phone

    Cellular Phone
    First cellular phone communication network started in Japan
  • Cellular phone. U.S

    Cellular phone. U.S
    First cellular phone network started in the United States
  • Lightspeed

    Lightspeed
    American government releases control of internet and WWW is born - making communication at lightspeed.