- Major-General William Throsby Bridges is appointed to command the proposed Australian military force, which he subsequently names the Australian Imperial Force (AIF).
- Between 5 August and the end of October the first units of the AIF — infantry, engineers, artillery, field ambulances, casualty clearing stations, general hospitals and light horse AIF — are raised throughout Australia. Units are allocated to either the 1st Australian Infantry Division or the 1st and 2nd Light Horse Brigades.
- Montenegro declares war on Austria-Hungary
- The Ottoman Empire closes the Dardanelles