In the early forties of the 20th century, Western Union has used the first time a commercial intercity microwave transmission system. Leaving the idea of expansion into Europe, Western Union took up the expansion of services in the U.S. market. Another invention of Western Union - time synchronization. In 1884 Western Union has become a joint-stock company and was brought to the stock exchange. The company has entered in the first American stock index Dow Jones. Gold Card Loyalty Program Western Union