- Bernard Augustine Kelaher dies of wounds sustained when accidently shot by a sentry guard in France
- 600 Orange residents attend an anti-conscription meeting at Robertson Park. Anti-Conscription Meeting
- The Battle of Thiepval Ridge begins on the Western Front. The three-day battle is part of the final stages of the Battle of the Somme. British troops finally capture Mouquet Farm; they storm Gueudecourt as the cavalry pursues the retreating Germans.
- British intelligence intercepts the telegram to Washington from the American ambassador in Berlin. The information is forwarded to the British Minister for War, David Lloyd George.
- Greek ships join the Allied fleet under Admiral Louis Dartige Du Fournet, the French Commander-in-Chief
- British troops under the command of Brigadier-General Sir Charles Preston Crewe capture Igalulu, east of Tabora in German East Africa.