In 1866, Sibley ordered the engineers to develop a Western Union telegraph system of stock quotes in real time. 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. The Western Union Company is a financial services and communications company based in the United States. In October 1871 the company Western Union began to provide money transfer services, drawing on its own extensive telegraph network. Western Union made so that the time in all of American civil services was the same.