The project of congressmen involved the construction of lines with the length of two thousand miles in 10 years. Western Union handled the government task within 112 days. The secret of Sibley was simple: he used the tactics of the "Western Union". In the early forties of the 20th century, Western Union has used the first time a commercial intercity microwave transmission system. In 1914 Western Union engineers invented the first payment card - a prototype of the modern credit card. 1970 - a new service called In 1849, Selden and Sibley, the founders of the future Western Union, created the New York State Printing Telegraph Company.