In Cleveland, Ohio, the first electric traffic light is installed.
In response to the German invasion of Belgium, Belgium and the British Empire declare war on Germany. The United States declares its neutrality.
Christopher Columbus sets sail from Palos de la Frontera, Spain.
Iraq invades Kuwait, eventually leading to the Gulf War.
Niki Lauda has a severe accident that almost claims his life at the German Grand Prix at Nurburgring
The Holocaust: Under instructions from Adolf Hitler, Nazi official Hermann Göring, orders SS General Reinhard Heydrich to “submit to me as soon as possible a general plan of the administrative material and financial measures necessary for carrying out the desired Final Solution of the Jewish question.”
Jimmy Hoffa disappears from the parking lot of the Machus Red Fox restaurant in Bloomfield Hills, Michigan, a suburb of Detroit, at about 2:30 p.m. He is never seen or heard from again.
Iran adopts a new “holy” flag after the Islamic Revolution.
The German Volkswagen Act came into force.
Initial flight of the de Havilland Comet, the first jet-powered airliner.