You are thinking of "What hath God Wrought", it was the first telegraph ever made by Samuel Morse, creator of the telegraph and Morse Code.
The first telegraph message sent by Samuel Morse said "What Hath God Wrought". Annie Ellsworth came up with the words.
The first telegraph sent said, "What hath God wrought?" it was sent from Baltimore to Washington.
1844
Samuel Morse, the inventor of the telegraph, famously quoted the biblical phrase "What hath God wrought" when he sent the first telegraph message in 1844.
The first sentence typed on the telegraph by Samuel Morse was, "What hath God wrought?"
The mesage Lincoln received was "what hath god wrought"
On May 24, 1844, Samuel Morse sends the telegraph message "What hath God wrought?" from the Supreme Court chamber in the Capitol in Washington, D.C., to the B & O Railroad Depot in Baltimore, Maryland.
What hath God wrought? The palatial estate was bordered by an eight-foot wrought iron fence.
She was the daughter of a good friend of Samuel F.B Morse. She came up with the words for the first telegraph sent, "What Hath God Wrought".
This was the first telegraph message ever sent. Details in my brain are sketchy, but I know it happened in 1844
'What hath God wrought'