In the early forties of the 20th century, Western Union has used the first time a commercial intercity microwave transmission system. Most service points of Western Union work in the time convenient for customers throughout the week and throughout the year. 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 April 1851 companions registered in Albany New York and Mississippi Valley Printing Telegraph Company (NYMVPTC), which included founded two years before New York State Printing Telegraph Company. In October 1871 the company has implemented the world's first telegraph money order. After a century money transfers have become a major source of income for Western Union. 1970 - a new service called Western Union provides consumers and businesses with fast, reliable and convenient ways to send and receive money around the world, to send payments and to purchase money orders. The first offices of company were located in the Reynolds Arcade building in Rochester, New York. The sign above the main entrance to the building - Number of active holders of "Golden Card" of Western Union amounted to 9.5 million people worldwide.