History

History

By uwbadgers2011
  • 200

    900 BC, First postal system developed.

    Chinese develop postal system to deliver written messages.
  • 450

    Printing is invented on wood blocks.

    Chinese invent printing by inking wood blocks.

  • Mechanical semaphore is invented in France.

    It is the first traffic sign, Claude Chap invented the Mechanical semaphore.

  • first computer program is writen

    -Ada Byron was the daughter of the famous poet Lord Byron
    -The original persons who's idea it was, was italian

  • Telephone is invented.

    Alexander Grahem Bell invents the telephone, transmitting the sound of the voice clearly over wires.
  • Period: to

    History

  • The first radio signal across the Atlantic Ocean

    • He got a morse code representing the letter "S"
    • It was done in Newfoundland

  • First communications satellite is launched.

    It allowed worldwide live broadcast of the 1964 Olympics.

  • First Email is sent

    -the two computers that the Email was sent to and from were side by side
    - He sent a Email to his friends explaining hhow to send an Email
  • Period: to

    History

  • 3500 BC, First recorded pictograpgh made.

    Summerians record pictographs representing words on clay tablets.

  • rags to paper (105)

    • chinese paper making is over 2,000 years old -paper was so prized that youwere forbiden to step on it