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. In 1866, Sibley ordered the engineers to develop a Western Union telegraph system of stock quotes in real time. By 1861 Western Union telegraph lines entangled the whole America. It's time to explore Europe. In 1914 Western Union engineers invented the first payment card - a prototype of the modern credit card. Before transition to remittances Western Union company rendered services on sphere of cable communication.