communication in hstory

  • petroglyphs were made in 10000 b.c.
    100

    petroglyphs were made in 10000 b.c.

  • cavedrawings were made in 30000 b.c.
    100

    cavedrawings were made in 30000 b.c.

    3000 b.c.
  • pictograms made in 9000 b.c
    100

    pictograms made in 9000 b.c

  • Alphabet invented in 1000 b.c
    100

    Alphabet invented in 1000 b.c

  • Period: 100 to

    communication in history

  • Johannes gutenberg invents printig press
    Oct 13, 1440

    Johannes gutenberg invents printig press

  • First typewriter patent by Henry mill

    First typewriter patent by Henry mill

  • Period: to

    communication in history

  • First eletric telegraph was made by joseph henry

    First eletric telegraph was made by joseph henry

  • Z4 is the first commercial computer

    Z4 is the first commercial computer

    computer help
  • First typewriter was made

    First typewriter was made

  • Telephone invented by Alexander graham bell

    Telephone invented by Alexander graham bell

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