Day on August 5 in the history

The international day of the traffic light this day in 1914 in Cleveland Amerikanskaya the traffic light company installed at the intersection of 105th Street and Euclid's avenue four electric traffic lights, similar to modern devices. They were designed by Khog James. They had two signals — red and green, and when switching they published a sound signal. The traffic light the police officer sitting in the glass box operated. The first traffic light was invented much earlier. The English inventor Jay Knight designed the two-color traffic controler who worked by the principle of a semaphore with manual management. In 1868...