In the early forties of the 20th century, Western Union has used the first time a commercial intercity microwave transmission system. Separation of the companies had two objectives: first, to give Western Union the opportunity to develop more intensively, and secondly, to help First Data to return to its original activity (in 1992 the company separated from the payment system of American Express as an independent financial services company). 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.