In the early forties of the 20th century, Western Union has used the first time a commercial intercity microwave transmission system. Each money transfer is protected with control number, that allows you to track and to ensure prompt payment of money specified by you person. By 1861 Western Union telegraph lines entangled the whole America. It's time to explore Europe. In 1856, in 7 years after the foundation of New York State Printing Telegraph Company, the company changed its name to Western Union Telegraph Company. 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.