In the early forties of the 20th century, Western Union has used the first time a commercial intercity microwave transmission system. America was on the verge of civil war and needed a reliable connection between the North and South. On the telegraph market of the USA at this time were operated with six large companies: American Telegraph Company, New York Albany and Buffalo Electro-Magnetic Telegraph Company, Atlantic and Ohio Telegraph, Illinois & Mississippi Telegraph Company, New Orleans & Ohio Telegraph Company, and the brainchild of Sibley & Co. - The Western Union Telegraph. Another invention of Western Union - time synchronization. Each money transfer is protected with control number, that allows you to track and to ensure prompt payment of money specified by you person. By 1861 Western Union telegraph lines entangled the whole America. It's time to explore Europe. To obtain the Golden card can any client of Western Union, committing money transfers on this system more than 1 time per year. Getting the card is issued at the time of making of the next transfer. Western Union provides consumers and businesses with fast, reliable and convenient ways to send and receive money around the world, to send payments and to purchase money orders. In the 1910-1920 years. Western Union is actively engaged in researching, innovating in the field of data transmission.