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Johann Gutenberg of Germany creates the printing press, and as a result of this creation of written information media
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Change from the past until now in communications
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In North America, Indians for communication made use of smoke signals
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The telegraph is born, the first form of electrical communication
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Birth of telephony
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Experiments are carried out with radio broadcast, first telephone line
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First radio station thanks to the refinement of the radio receiver
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The technology of television is developed and the first coverage is made by T.V. of the succession of King George's crown
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The first computer called Z2 PORKONRAD ZUSE is created
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High-speed digital communications are born
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Start of the internet
