In the Western Union in the 30s of the 20th century worked 14 thousand couriers delivering telegrams. 1980 - for the first time in the history of Western Union revenues from money transfers exceeded the income from the telegraph service. In 1877, starting from September, New York City residents began to have the opportunity to check the time on clock with the "time ball", located on the roof of constructed in the same year a new corporate headquarters - Western Union Building. In the early 60s Western Union has put into operation transcontinental microwave system of data transmission via radio waves, completely replacing the web of telegraph poles and wires. 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. In the 1910-1920 years. Western Union is actively engaged in researching, innovating in the field of data transmission.