Morse in the NewsHistorical Anniversaries

May 24 Telegraph Day: Remembering Samuel Morse’s Historic "What Hath God Wrought" Line

The 1844 transmission that ignited the global telecommunications revolution

May 24, 20265 min read495 wordsBy Waleed Akram (MSc Computer Sciences)

"On May 24, 1844, Samuel F.B. Morse dispatched a four-word biblical quote along 40 miles of iron wire from Washington D.C. to Baltimore, inaugurating the electronic era of human civilization."

Key Morse Transmission Featured in Story
The First Commercial Telegram (1844)
12 WPM520 Hz
Text:WHAT HATH GOD WROUGHT
.-- .... .- - / .... .- - .... / --. --- -.. / .-- .-. --- ..- --. .... -

Transmitted from the Old Supreme Court Chamber in the US Capitol to Mount Clare Station, Baltimore.

On the morning of May 24, 1844, a quiet crowd gathered inside the Old Supreme Court Chamber of the United States Capitol in Washington, D.C. Samuel Finley Breese Morse sat before an iron key connected to insulated wires stretching alongside the Baltimore and Ohio Railroad tracks. With steady deliberate taps, he transmitted a 20-letter phrase that collapsed time and distance forever: "WHAT HATH GOD WROUGHT".

Annie Ellsworth and the Genesis of the Message

The famous message was not selected by politicians, engineers, or Morse himself. It was chosen by Annie Ellsworth, the daughter of Henry Ellsworth, the first U.S. Patent Commissioner who had staunchly supported Morse’s funding bill. Drawing from Numbers 23:23 in the King James Bible, Ellsworth chose the phrase to reflect both humble awe and the miraculous potential of instantaneous electrical communication across continents.

The telegraph will make of the whole globe one great neighborhood, where every pulsation of sorrow or joy in the remotest corner will vibrate instantly through every human heart.

Samuel F.B. Morse, Reflections on the Telegraph (1850)

Alfred Vail: The Unsung Mechanical Genius

At the receiving end at Mount Clare Station in Baltimore was Alfred Vail, Morse’s indispensable partner and mechanical genius. While Morse conceived the artistic concept and original numeric dictionary, it was Vail who redesigned the heavy mechanical apparatus, invented the intuitive dot-dash alphabet based on letter frequency in local print shops, and engineered the brass spring key that became the standard telegraph interface worldwide.

Historic Apparatus

The 1844 system did not produce audio beeps. Instead, electromagnets indented physical dots and dashes into moving paper tape via a metal stylus, which operators later learned to decode purely by listening to the clicking sound.

The Network That Birthed the Modern Web

Within a single decade, over 20,000 miles of telegraph wire crisscrossed the United States, followed by the transcontinental line in 1861 and Cyrus Field’s transatlantic cable in 1866. Modern internet routing protocols, packet transmission, and real-time financial trading all trace their direct architectural lineage to that single spring key tapped in Washington on May 24, 1844.

Essential Story Takeaways
  • The phrase from Numbers 23:23 was selected by Annie Ellsworth, daughter of the Patent Commissioner.
  • Alfred Vail engineered the physical key mechanism and letter frequency assignments for dots and dashes.
  • The initial system recorded marks on embossed paper tape before operators adopted auditory reading.
  • May 24 is celebrated internationally by historians and ham radio operators as World Telegraph Day.
Primary References & Historical Documentation
  • The Victorian Internet: The Remarkable Story of the TelegraphTom Standage, Walker & Company(1998)
  • Samuel F.B. Morse: His Letters and JournalsHoughton Mifflin(1914)
#Samuel Morse#Telegraph History#May 24#What Hath God Wrought#Alfred Vail#Telecommunications
Reported & Verified By
Waleed Akram

Editor, Telecommunications & DSP (MSc Computer Sciences). Lead developer and telecommunications author for OnlineMorseCode.com, specializing in ITU-R M.1677-1 digital timing algorithms and radiotelegraph history.

Editorial Profile