In the early forties of the 20th century, Western Union has used the first time a commercial intercity microwave transmission system. 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. By 1861 Western Union telegraph lines entangled the whole America. It's time to explore Europe. The Western Union Company is a financial services and communications company based in the United States.