- Day 585 of the war
- HRH Edward Prince of Wales arrives in Egypt. The Prince is appointed Staff Captain to Commander in Chief of the British forces, Lieutenant General Sir John Maxwell
- Russian forces launch an offensive at Lake Naroch near Verdun, in an attempt to relieve the German pressure on French forces. They employ 271 guns to bombard German positions for three hours, before sending in the infantry. Their advance grinds to a halt as they are overrun by German reinforcements. The operation is a complete failure; Russia sustains 4,000 casualties compared to Germany’s 200. The Battle of Lake Narotch
- British and South African forces surround German positions at Kahe, south of Mount Kilimanjaro, beginning the Battle of Kahe. The Battle is the last action between German and Allied forces before the German retreat from the area. Allied forces inflict heavy casualties and capture German artillery. 686 German soldiers are killed and 200 taken prisoner. British casualties number 21 dead.
- The French destroyer Renaudin is torpedoed by the Austrian submarine U-6 in the southern Adriatic Sea off Durazzo, Albania. The commander and 46 crewmembers are killed, 36 crew are rescued.