In the early 60s Western Union has put into operation transcontinental microwave system of data transmission via radio waves, completely replacing the web of telegraph poles and wires. July 3, 1884 the company's shares were included in the calculation base for the newly created stock index Dow Jones Transportation Average. Thanks to cooperation with Western Union the Associated Press at the end of the XIX century took almost monopolistic position in the U.S. market news. Western Union made so that the time in all of American civil services was the same.