Another invention of Western Union - time synchronization. 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 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. Gold Card Loyalty Program Western Union