In the early forties of the 20th century, Western Union has used the first time a commercial intercity microwave transmission system. In the 30's of the twentieth century, Western Union has become the world's largest telegraph company. July 3, 1884 the company's shares were included in the calculation base for the newly created stock index Dow Jones Transportation Average. You do not need to open a bank account, so you can send or receive money in any of the 170 000 service points of Western Union around the world. 1970 - a new service called The first offices of company were located in the Reynolds Arcade building in Rochester, New York. The sign above the main entrance to the building -