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The idea of the telegraph was developed in the early 1700s -
The telegraph was invented by Samuel Morse. Samuel Morse was a painter and inventor, also the co-inventor of morse code.
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The first telegraph was invented in 1832 -
In May 24th 1844 the first telegraph message was sent by Samuel Morse from Washington to Baltimore. -
telegraphs were mostly used in 1929 when an estimated 200million telegraph message were sent that year -
The telegraph services were shut down in 1977 due to the cost and maintenance required.