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Electric telegraph
Samuel Morse -
Multiplexing
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Telephone
Meucci -
Transcontinental telegraph
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Submarine cable
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Discovery of radio
J. C. Maxwell -
Telephone patent
Alexander Graham Bell -
Generation of electromagnetic waves and detection in a device at 30 cm
H. R. Hertz -
Wireless telegraphy
Marconi -
First long distance wireless message
Marconi -
Sound transmission
R. Fessenden -
Commercial emission
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First broadcast of the Olympics
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Period: to
Popularization of television
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People witnessing the arrival of the moon through television
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First cell phone call
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First commercial mobile phones
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First mobile phones of small dimensions and low price