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. Western Union has several divisions, with products such as person-to-person money transfer, money orders, business payments and commercial services. Another invention of Western Union - time synchronization. July 3, 1884 the company's shares were included in the calculation base for the newly created stock index Dow Jones Transportation Average. The Western Union Company is a leader in global payment services Western Union for more than 130 years provides money transfer services to its customers.