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1830 CE
1840 CE
1850 CE
1860 CE
1837 CE: William Fothergill Cook and Charles Wheatstone first patent the electrical telegraph.
1838 CE: The first successful commercial use of the electrical telegraph for the Great Western Railway between Paddington Station and West Drayton.
1844 CE: Samuel Morse uses his morse code electrical telegraph for the first time.
1850 CE: Alexander Bain invents an electrical telegraph machine that can send and receive messages using perforated strips of paper.
1856 CE: The Western Union Telegraph Company is created in the United States.
1866 CE: The SS Great Eastern lays the first transatlantic electrical telegraph cable.