In the Western Union in the 30s of the 20th century worked 14 thousand couriers delivering telegrams. In 1920, Western Union has implemented the world's first transmission of images over the ocean. In the 30's of the twentieth century, Western Union has become the world's largest telegraph company. As a result of 2011, net income of Western Union has increased by 28% to $ 1.165 billion, the company reported. In 1935, Western Union has put into operation first intercity fax communication. July 3, 1884 the company's shares were included in the calculation base for the newly created stock index Dow Jones Transportation Average.