In the early forties of the 20th century, Western Union has used the first time a commercial intercity microwave transmission system. In 1866, Sibley ordered the engineers to develop a Western Union telegraph system of stock quotes in real time. The size of the commission fee for the transfer is charged according to the Western Union tariffs and depends on the amount of money sent. By 1861 Western Union telegraph lines entangled the whole America. It's time to explore Europe. One of the common kinds of money transfer is a transfer via the international system of Western Union. In 1879 Western Union left the telephone business after losing a lawsuit against Alexander Graham Bell - the patent holder on the phone.