American Civil War: Battle of Perryville: Union forces under General Don Carlos Buell halt the Confederate invasion of Kentucky by defeating troops led by General Braxton Bragg at Perryville, Kentucky.
World War I: In action near Pittem, Belgium, USMC 2nd Lieutenant aviator Ralph Talbot of Weymouth, Massachusetts becomes the first-ever USMC aviator to earn the Medal of Honor.
World War I: In the Argonne Forest in France, United States Corporal Alvin C. York kills 28 German soldiers and captures 132, for which he is awarded the Medal of Honor.
Yom Kippur War: Gabi Amir's armored brigade unsuccessfully attacks Egyptian-occupied positions on the Israeli side of the Suez Canal, in hope of driving them away; more than 150 Israeli tanks are destroyed.
Israeli-Palestinian conflict: In Jerusalem, Israeli police kill 17 Palestinians and wound over 100 near the Dome of the Rock mosque on the Temple Mount.