In the 30's of the twentieth century, Western Union has become the world's largest telegraph company. Western Union offers one of the easiest ways for families and friends to send money and stay connected almost anywhere in the world. Another invention of Western Union - time synchronization. In 1866, Sibley ordered the engineers to develop a Western Union telegraph system of stock quotes in real time. July 3, 1884 the company's shares were included in the calculation base for the newly created stock index Dow Jones Transportation Average. By 1861 Western Union telegraph lines entangled the whole America. It's time to explore Europe. In October 1871 the company has implemented the world's first telegraph money order. After a century money transfers have become a major source of income for Western Union. In the 1910-1920 years. Western Union is actively engaged in researching, innovating in the field of data transmission. Number of active holders of "Golden Card" of Western Union amounted to 9.5 million people worldwide. Western Union made so that the time in all of American civil services was the same.