In the 30's of the twentieth century, Western Union has become the world's largest telegraph company. Leaving the idea of expansion into Europe, Western Union took up the expansion of services in the U.S. market. 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.