In 1920, Western Union has implemented the world's first transmission of images over the ocean. In the 30's of the twentieth century, Western Union has become the world's largest telegraph company. 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. Number of active holders of "Golden Card" of Western Union amounted to 9.5 million people worldwide.