In 1920, Western Union has implemented the world's first transmission of images over the ocean. In 1935, Western Union has put into operation first intercity fax communication. Another invention of Western Union - time synchronization. In October 2006 the company made an initial public offering of shares on the New York Stock Exchange, becoming independent from First Data company. 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 - Western Union for more than 130 years provides money transfer services to its customers. Western Union made so that the time in all of American civil services was the same.