In 1920, Western Union has implemented the world's first transmission of images over the ocean. July 3, 1884 the company's shares were included in the calculation base for the newly created stock index Dow Jones Transportation Average. In 1914 Western Union engineers invented the first payment card - a prototype of the modern credit card. Before transition to remittances Western Union company rendered services on sphere of cable communication. In October 1871 the company Western Union began to provide money transfer services, drawing on its own extensive telegraph network.