- First bombardment of Reims Cathedral by German artillery
- First units of Indian Expeditionary Force “A” leave Egypt for Marseilles
- South African forces occupy Luederitzbucht in German South West Africa. This is the first German territory to be entered by Union troops.
- The Battle of Flirey starts. The battle cuts most of the roads and railways to the strategically important fortified city of Verdun in north-eastern France. It lasts until 11 October and results in a German victory.