In the early forties of the 20th century, Western Union has used the first time a commercial intercity microwave transmission system. The Western Union Company - the American company, specialising on granting of services of monetary intermediary. Western Union was founded in 1851. The company is one of leaders in the market of the international remittances. Money transfer is a matter of minutes, at any distance. 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 - Western Union made so that the time in all of American civil services was the same. In 1884 Western Union has become a joint-stock company and was brought to the stock exchange. The company has entered in the first American stock index Dow Jones.