In the 30's of the twentieth century, Western Union has become the world's largest telegraph company. In 1877, starting from September, New York City residents began to have the opportunity to check the time on clock with the "time ball", located on the roof of constructed in the same year a new corporate headquarters - Western Union Building. 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. One of the common kinds of money transfer is a transfer via the international system of Western Union. Before transition to remittances Western Union company rendered services on sphere of cable communication. In the 1910-1920 years. Western Union is actively engaged in researching, innovating in the field of data transmission. Number of active holders of "Golden Card" of Western Union amounted to 9.5 million people worldwide. Western Union made so that the time in all of American civil services was the same.