July 3, 1884 the company's shares were included in the calculation base for the newly created stock index Dow Jones Transportation Average. In 1933, by the Western Union Company were invented "singing telegrams". In 1879 Western Union left the telephone business after losing a lawsuit against Alexander Graham Bell - the patent holder on the phone. In the 1910-1920 years. Western Union is actively engaged in researching, innovating in the field of data transmission. In October 1871 the company Western Union began to provide money transfer services, drawing on its own extensive telegraph network.