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. The Western Union Company - the American company, specialising on granting of services of monetary intermediary. Western Union was founded in 1851. The company is one of leaders in the market of the international remittances. Western Union offers one of the easiest ways for families and friends to send money and stay connected almost anywhere in the world. Leaving the idea of expansion into Europe, Western Union took up the expansion of services in the U.S. market. Most service points of Western Union work in the time convenient for customers throughout the week and throughout the year. In October 1871 the company has implemented the world's first telegraph money order. After a century money transfers have become a major source of income for Western Union. Transaction with Fexco has allowed Western Union to control directly more than 10 thousand points of service, which belonged to Fexco in 7 European countries (Spain, UK, Sweden, Ireland, Denmark, Norway and Finland). 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.