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 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. 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.