The first message used to publicly demonstrate the Morse electrical telegraph. The transmitted message reads, in Morse Code: "What hath God wrought". A handwritten notation on the top of the paper strip reads, "This sentence was written from Washington by me at the Baltimore Terminus at 8.h 45 min. A.M. on Friday May 24.th 1844, being the first ever transmitted from Washington to Baltimore by Telegraph and was indited by my much loved friend Annie G. Ellsworth. Sam F. B. Morse. Superintendent of Elec. Mag. Telegraphs."Message credit: Samuel F. B. Morse