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At 1854, Antonio Meucci invent the first telephone prototype
https://youtu.be/-VHT6yEUB4A -
Meucci makes public his creation at 1860
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At 1876, Graham Bell was awarded for the patent of the telephone
https://www.mitel.com/articles/alexander-graham-bell-and-history-telephone -
At 1877, the first long distance telephone line was invented
https://www.sierranevadageotourism.org/content/worlds-first-long-distance-telephone-line-no-247-california-historical-landmark/sie0ea694a71767f084f -
The telephone trasmitter were invented in 1877, by Emile Berliner
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On 1887, the multiplex switchboard was introduced by Tivadar Puskas
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First call from San Francisco to New York.
https://youtu.be/s2bqa1f_90I -
The first call from London to New York, at 1926
https://www.telegraph.co.uk/technology/connecting-britain/first-public-transatlantic-phone-service/ -
The telephone appears in Spain at 1976, only on cars
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The first digital phone in Spain, a Motorola, appears at 1993
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In 2002, Meucci was recognized as the creator of the telephone
