1 янв 1830 г. - The Telegraph Invented in the 1830s by Samuel Morse, this revolutionized long-distance communication

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References
History Of Information Technology¶. (n.d.). Retrieved from
http://openbookproject.net/courses/intro2ict/history/history.html.
History.com Editors. (2009, November 9). Morse Code & the Telegraph. Retrieved from https://www.history.com/topics/inventions/telegraph.

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