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. In 2000 was launched the Web site westernunion.com, with which users from certain countries can independently transfer funds online. Western Union made so that the time in all of American civil services was the same.