In the early forties of the 20th century, Western Union has used the first time a commercial intercity microwave transmission system. In the 30's of the twentieth century, Western Union has become the world's largest telegraph company. Most service points of Western Union work in the time convenient for customers throughout the week and throughout the year. By 1861 Western Union telegraph lines entangled the whole America. It's time to explore Europe. One of the common kinds of money transfer is a transfer via the international system of Western Union. In 2007 the company made 167.7 million transactions on money transfers between individuals and 404.6 million transactions between physical and legal persons. The Western Union Company is a financial services and communications company based in the United States. In 1849, Selden and Sibley, the founders of the future Western Union, created the New York State Printing Telegraph Company. Western Union for more than 130 years provides money transfer services to its customers.