- HMS Mimi and HMS Toutou attack the German gunboat Kingani on Lake Tanganyika. The crippled vessel is captured and towed to the British base, where she is repaired and brought into British service as Fifi – the first German warship to be transferred to the Royal Navy.
- The RAN Bridging Train is transferred temporarily to the Australian and New Zealand Army Corps for operations against the Turks in Sinai
- Preparations are underway for the final evacuation of Allied troops from Helles using the same successful tactics that made the withdrawal from Anzac and Suvla such a success
- The German raider SMS Moewe sails from Bremen on her maiden cruise. Disguised as a neutral cargo ship, the Moewe raids commerce vessels, sinking several ships during the course of the war.