@isaacrrr7 NOW POST THE 12 FUCKING MILLION TROTSKY THE BOLSHEVIK JEW AND HIS RED ARMY KILLED IN UKRAINE. ALL CHRISTIANS STARVED TO DEATH ON PURPOSE... HOLODOMOR
@juniorkingpp Garrett A. Morgan, a prominent Black inventor, patented a crucial, improved three-position traffic signal in 1923, which greatly enhanced road safety. While not the very first traffic light, his design was among the first to introduce a warning light (yellow/caution)