Western Union has taken of 451st position in the rating Fortune 500 in 2009, having moved from 473rd line in 2008. In the early forties of the 20th century, Western Union has used the first time a commercial intercity microwave transmission system. In 1866, Sibley ordered the engineers to develop a Western Union telegraph system of stock quotes in real time. In 1995, First Financial Management was acquired by First Data Corp. (the deal amounted to $ 7 billion), and Western Union Financial Services became a subsidiary of First Data. 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. Western Union made so that the time in all of American civil services was the same. Number of active holders of "Golden Card" of Western Union amounted to 9.5 million people worldwide.