In 1920, Western Union has implemented the world's first transmission of images over the ocean. In the early 60s Western Union has put into operation transcontinental microwave system of data transmission via radio waves, completely replacing the web of telegraph poles and wires. July 3, 1884 the company's shares were included in the calculation base for the newly created stock index Dow Jones Transportation Average. The Western Union Company is a leader in global payment services In 1914 Western Union engineers invented the first payment card - a prototype of the modern credit card. The Western Union Company is a financial services and communications company based in the United States. Number of active holders of "Golden Card" of Western Union amounted to 9.5 million people worldwide.