In the early forties of the 20th century, Western Union has used the first time a commercial intercity microwave transmission system. 1998 - the number of points of money transfers worldwide reached 50,000. The network of money transfers of Western Union is the world's largest. In 1860 the U.S. Congress arranged among the telegraph companies a competition to create a national line. The winner was Western Union. Another invention of Western Union - time synchronization. Sibley, the founder of Western Union, did not build a new telegraph lines, and persuaded the other players to join. American Telegraph Company, however, still had to buy it.