1844
182 years ago
InnovationUnited States
First Telegraph Message on B&O Line
Baltimore and Ohio Railroad
Baltimore
May 23, 1844
Summary
Samuel Morse sent the first official telegraph message along the Baltimore and Ohio Railroad right-of-way.
Full Story
On May 23, 1844, Samuel F.B. Morse transmitted the historic message 'What hath God wrought' from the U.S. Capitol to the B&O Railroad's Mount Clare station in Baltimore. This event demonstrated the synergy between emerging telegraph technology and railroad infrastructure, allowing real-time train dispatching and vastly improving safety and efficiency. The B&O provided the right-of-way for the experimental line, marking an early milestone in integrated communication systems that would define modern rail operations worldwide.
Continue Reading
Members get access to extended stories, related events, source documents, and historical context.
Quick Facts
- Date
- May 23, 1844
- Event Type
- Innovation
- Country
- United States
- Years Ago
- 182
Explore More History
RailScanPro members get access to our complete archive of railroad history with advanced search, filtering, and thousands of events.
Subscribe Now