In 1920, Western Union has implemented the world's first transmission of images over the ocean. In 1860 the U.S. Congress arranged among the telegraph companies a competition to create a national line. The winner was Western Union. July 3, 1884 the company's shares were included in the calculation base for the newly created stock index Dow Jones Transportation Average. The first offices of company were located in the Reynolds Arcade building in Rochester, New York. The sign above the main entrance to the building - In the 1910-1920 years. Western Union is actively engaged in researching, innovating in the field of data transmission.