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Refined by:Sites and Collection: Samuel F. B. Morse Papers at the Library of Congress, 1793 to 1919 Remove Subject: Electromagnetic Telegraph Remove Location: Baltimore Remove
Long before Samuel F. B. Morse electrically transmitted his famous message 'What hath God wrought?' from Washington to Baltimore on May 24, 1844, there were signaling systems that enabled people to communicate over distances.
- Date: 1844-05-24