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the acient Egyptians use a picture words to write called hieroglyphics. its is a very old form writing that they started at 3000 BC.
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the first recorded hand written letter was by Persian Queen Atossa around 500 BC
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in 1830 the morse code and the vail created this type of communication the code assigned letters in the alphabetical order and numbers asel of dots and dashes based on frequency of used. the code was transimeted by the telegraph.
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the telegrasphwas invented in 1840 by Samuel Morse. thetelegraph revolutionased long distance communication.
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In the 1870´s the telephone was invented by Alexander Gramam Bell this dominate a communication .