The Western Union Company - the American company, specialising on granting of services of monetary intermediary. Western Union was founded in 1851. The company is one of leaders in the market of the international remittances. In the 30's of the twentieth century, Western Union has become the world's largest telegraph company. In the early 60s Western Union has put into operation transcontinental microwave system of data transmission via radio waves, completely replacing the web of telegraph poles and wires. In 1914 Western Union engineers invented the first payment card - a prototype of the modern credit card. In the 1910-1920 years. Western Union is actively engaged in researching, innovating in the field of data transmission.