In the early forties of the 20th century, Western Union has used the first time a commercial intercity microwave transmission system. July 3, 1884 the company's shares were included in the calculation base for the newly created stock index Dow Jones Transportation Average. The Western Union Company is a financial services and communications company based in the United States. In October 1871 the company Western Union began to provide money transfer services, drawing on its own extensive telegraph network.