In the Western Union in the 30s of the 20th century worked 14 thousand couriers delivering telegrams. 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 the 30's of the twentieth century, Western Union has become the world's largest telegraph company. One of the common kinds of money transfer is a transfer via the international system of Western Union. 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. The Western Union Company uses the most up to date technologies and its unique worldwide computer network that allows to carry out quick money transfers payments in more than 190 countries around the world. The first offices of company were located in the Reynolds Arcade building in Rochester, New York. The sign above the main entrance to the building - In October 1871 the company Western Union began to provide money transfer services, drawing on its own extensive telegraph network. Sibley, the founder of Western Union, did not build a new telegraph lines, and persuaded the other players to join. American Telegraph Company, however, still had to buy it. Western Union made so that the time in all of American civil services was the same.