In the early forties of the 20th century, Western Union has used the first time a commercial intercity microwave transmission system. Western Union offers one of the easiest ways for families and friends to send money and stay connected almost anywhere in the world. 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. In 1914 Western Union engineers invented the first payment card - a prototype of the modern credit card.