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. Each money transfer is protected with control number, that allows you to track and to ensure prompt payment of money specified by you person. In 1864, fearing the laying of long underwater lines, Western Union offered to carry out laying of telegraph lines to Europe through the Russian Alaska under the narrow Bering Strait and then to Siberia with branching in the major cities of Europe. In the 1910-1920 years. Western Union is actively engaged in researching, innovating in the field of data transmission.