// todo need optimize like in event.jsp. Add indexing or not indexing this page. Electronic era (3 июл 1839 г. – 3 июл 1993 г.) (Лента времени)

Electronic era (3 июл 1839 г. – 3 июл 1993 г.)

The Telegraph was invented by Samuel Morse and it was used for long distance communication.

11 сен 2017

3 июл 1839 г.

3 июл 1993 г.

~ 154 years

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