When was Morse code invented?

Development spanned roughly 1832–1844. The first official public message — “What hath God wrought” — was sent May 24, 1844 from Washington, D.C. to Baltimore.

Did Morse invent International Morse alone?

No. American Morse evolved first; International (Continental) Morse was standardized in Europe later. See our International vs American comparison and full history timeline.

Who invented Morse code?

Q: Who invented Morse code?

Both Samuel Morse and Alfred Vail. Morse invented the electromagnetic telegraph concept; Vail refined the practical dot-and-dash alphabet used on the early lines.

Short answer: Samuel Morse and Alfred Vail — telegraph concept plus a workable alphabet.

Samuel Morse (1791–1872)

An American artist-turned-inventor, Morse sketched an electromagnetic telegraph on a voyage in 1832 and pushed Congress to fund a demonstration line.

Alfred Vail (1807–1859)

Vail partnered at Speedwell Iron Works, improved instruments, and expanded the code into letters, numbers, and punctuation operators could send reliably.

First official message (1844)

On May 24, 1844, Morse sent “What hath God wrought” from the U.S. Capitol to Baltimore — proof that language could travel by wire.

Full timeline: Morse code history. Practice the living code with our free morse code translator.