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From 1790 to 1794, Claude Chappe was inventing the non-electric telegraph.
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In 1798, Samuel Morse invented a rough system of the electrical telegraph. -
In 1799, Chappe had created a network of towers and mechanical arms across France that the non-electrical telegraph used. -
in 1837, the first electric telegraph was invented by Samuel Morse. -
"What hath God wrought?" was the first message sent by telegraph by Samuel Morse. He sent it to his partner, Alfred Vail. -
The telegraph was used in ten firms in New York City, and in total was used by about 75 companies with 21,147 miles of wire. -
In 1866 the first transatlantic telegraph cable had finished construction.
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By 1900, over 63.2 million messages were being sent by telegraph yearly.
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From 1920-1930, the telegraph started to lose popularity due to higher demand in cheaper telephone calls.