May 24, 1844: Samuel Morse opens a telegraph line connecting Washington D.C. and Baltimore. Samuel Morse developed the electric telegraph and his eponymous code in 1836; by 1843, the U.S.government had appropriated to him for the construction of an experimental 61 km telegraph line that would run from Washington D.C. to Baltimore-this line was completed in early 1844.It officially opened on May 24,1844, when Morse sent the words “What hath God wrought” (a biblical quote from the Book of Numbers)

May 24, 1844: Samuel Morse opens a telegraph line connecting Washington D.C. and Baltimore. Samuel Morse developed the electric telegraph and his eponymous code in 1836; by 1843, the U.S.government had appropriated to him for the construction of an experimental 61 km telegraph line that would run from Washington D.C. to Baltimore-this line was completed in early 1844.It officially opened on May 24,1844, when Morse sent the words “What hath God wrought” (a biblical quote from the Book of Numbers)