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. In 1856, in 7 years after the foundation of New York State Printing Telegraph Company, the company changed its name to Western Union Telegraph Company. 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.