Samuel Morse was the father of the telegraph and of Morse code. He built his first line between Washington DC and Baltimore in 1843.
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Railroads and the telegraph i believe
telegraph invented
Telegraph lines were also built for transcontinental communication in the Pacific Railroad Act.
Needing rapid communication, railroad companies built telegraph lines along the railroad rights of way as the track was laid. The linkage made these lines easier to protect and maintain than the original First Transcontinental Telegraph lines.
A British built telegraph connected Aleppo, Beirut, and Damascus
the telegraph went through many stages before becoming known as the telephone.
A telemarketing because it is part of a telegraph.
Telegraph-Journal was created in 1862.
telegraph changed to internet
Yes a telegraph can be wireless. Thomas Edison invented the first wireless telegraph