In the Western Union in the 30s of the 20th century worked 14 thousand couriers delivering telegrams. In 1914 Western Union engineers invented the first payment card - a prototype of the modern credit card. In 1879 Western Union left the telephone business after losing a lawsuit against Alexander Graham Bell - the patent holder on the phone. In the 1910-1920 years. Western Union is actively engaged in researching, innovating in the field of data transmission. Western Union made so that the time in all of American civil services was the same.