Early Telegraph
Mount Joy Township, Lancaster County, Pennsylvania
Marker Inscription
First commercial telegraph line in the U.S. ran along this railroad right-of-way. Completed from Lancaster to Harrisburg, 1845. The first message, "Why don't you write, you rascals?" was received, Jan.8, 1846.
Erected by Pennsylvania Historical and Museum Commission
The Story
Along this railroad right-of-way ran the first commercial telegraph line in the United States, strung between Lancaster and Harrisburg and completed in 1845 — barely a year after Samuel Morse's famous demonstration. The first message clattered through in January 1846 with a very human impatience: "Why don't you write, you rascals?" It was a small joke carrying an enormous idea — that words could now outrun the fastest horse.
Why it matters
This early line marks the dawn of instantaneous communication in America, the technology that would soon bind the nation together and transform commerce, journalism, and war.
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