- 1480 Great standing on the Ugra river, standoff between forces of Akhmat Khan, Khan of the Great Horde, and Ivan III Grand Prince of all Rus, Tataro-Mongols retreat, leds to disintegration of the Horde
- 1856 The Second Opium War or second Anglo-Chinese War: begins with the Arrow Incident on the Pearl River
- 1862 Otto von Bismarck becomes Chancellor of the German Empire
- 1915 Battle of Loos, almost 430,000 French, British & Germans killed
- 1917 Leon Trotsky named chairman of the Petrograd Soviet as Bolsheviks gain control
- 2001 U.S. President George W. Bush announces the establishment of the Office of Homeland Security.
John Lennon releases his megahit "Imagine"
On October 8, 1971