In the 30's of the twentieth century, Western Union has become the world's largest telegraph company. In 1935, Western Union has put into operation first intercity fax communication. Another invention of Western Union - time synchronization. One of the common kinds of money transfer is a transfer via the international system of Western Union. The Western Union Company is a financial services and communications company based in the United States. Western Union made so that the time in all of American civil services was the same. Western Union made so that the time in all of American civil services was the same.