Western Union has taken of 451st position in the rating Fortune 500 in 2009, having moved from 473rd line in 2008. In 1920, Western Union has implemented the world's first transmission of images over the ocean. In October 2006 the company made an initial public offering of shares on the New York Stock Exchange, becoming independent from First Data company. Western Union made so that the time in all of American civil services was the same.