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. Most service points of Western Union work in the time convenient for customers throughout the week and throughout the year. July 3, 1884 the company's shares were included in the calculation base for the newly created stock index Dow Jones Transportation Average. 1970 - a new service called In 1849, Selden and Sibley, the founders of the future Western Union, created the New York State Printing Telegraph Company. 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.