In the 30's of the twentieth century, Western Union has become the world's largest telegraph company. In 1866, Sibley ordered the engineers to develop a Western Union telegraph system of stock quotes in real time. By 1861 Western Union telegraph lines entangled the whole America. It's time to explore Europe. In 1856, in 7 years after the foundation of New York State Printing Telegraph Company, the company changed its name to Western Union Telegraph Company. Gold Card Loyalty Program Western Union Western Union made so that the time in all of American civil services was the same.