In the Western Union in the 30s of the 20th century worked 14 thousand couriers delivering telegrams. Each money transfer is protected with control number, that allows you to track and to ensure prompt payment of money specified by you person. July 3, 1884 the company's shares were included in the calculation base for the newly created stock index Dow Jones Transportation Average. In the 1910-1920 years. Western Union is actively engaged in researching, innovating in the field of data transmission. 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. Western Union made so that the time in all of American civil services was the same.