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. In 1935, Western Union has put into operation first intercity fax communication. 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. 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. Number of active holders of "Golden Card" of Western Union amounted to 9.5 million people worldwide.