In the early forties of the 20th century, Western Union has used the first time a commercial intercity microwave transmission system. In 1920, Western Union has implemented the world's first transmission of images over the ocean. By 1861 Western Union telegraph lines entangled the whole America. It's time to explore Europe. In 1914 Western Union engineers invented the first payment card - a prototype of the modern credit card. 1970 - a new service called 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.