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Background
The telegraph was developed in the 1830s and 1840s by Samuel Morse and other inventors. It was an important invention that made long distance communication much easier. The telegraph worked by transmitting electrical signals over a wire laid between stations. Morse sent his first telegraph message in 1844. It went from Washington, D.C. to Baltimore, Maryland. By 1866, a telegraph wire had been laid across the Atlantic Ocean from the United States to Europe.
The telegraph was developed in the 1830s and 1840s by Samuel Morse and other inventors. It was an important invention that made long distance communication much easier. The telegraph worked by transmitting electrical signals over a wire laid between stations. Morse sent his first telegraph message in 1844. It went from Washington, D.C. to Baltimore, Maryland. By 1866, a telegraph wire had been laid across the Atlantic Ocean from the United States to Europe.