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. In 1860 the U.S. Congress arranged among the telegraph companies a competition to create a national line. The winner was Western Union. As a result of 2011, net income of Western Union has increased by 28% to $ 1.165 billion, the company reported. Leaving the idea of expansion into Europe, Western Union took up the expansion of services in the U.S. market. In 2007 the company made 167.7 million transactions on money transfers between individuals and 404.6 million transactions between physical and legal persons. In 1933, by the Western Union Company were invented "singing telegrams". On the market was placed about 765 million of ordinary shares of the company. On the first day trading on the exchange the company's shares rose by 3.3% and the cost was $ 19.96. In October 1871 the company Western Union began to provide money transfer services, drawing on its own extensive telegraph network.