Completion of the First Transcontinental Telegraph (24 oct 1861 año – 24 oct 1861 año)
Descripción:
This completion of the First Transcontinental Telegraph marked a huge change in communication in the U.S. It helped send messages in seconds, which was revolutionary at the time. (Fun Fact: During the American Civil War from 1861-1865. This telegraph system was used by President Abraham Lincoln to have hourly updates on the battlefield, send direct orders to his generals, and communicate with his generals quickly.)
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