- Preston Edwin Argall enlists. Preston is commemorated on the Centenary of WWI in Orange Honour Roll; he would be killed in action in Belgium on 20 September 1917.
- The Western Frontier Force in Egypt reoccupies Sollum. The armoured car unit, commanded by the Duke of Westminster, pursues the fleeing Senussi 40 kilometres into Libya.
- German forces penetrate the French line between Bethincourt and Mort Homme in the Battle of Verdun
- German Navy Commander, Admiral Alfred Peter Friedrich von Tirpitz, resigns following mounting opposition to his policy of unrestricted submarine warfare