AUSTRO-GERMAN INVASION OF SERBIA: Kovess’ Austrian Third Army secure footholds south of river Sava west of Sabac. Demonstration at Orsova close to Rumanian frontier. German X Reserve Corps (Kosch) forces Danube at Ram to enter strategic Morava valley (night October 6-7) while IV Reserve Corps seizes Temes Sziget Island, but German III Corps foiled at all points.
Champagne – Second push: French capture Tahure and the Butte (Hill 192).
Cameroons – 2nd Allied advance on Yaunde begins. British troops capture Wumbiagas on October 9.
Black Sea: Bulgaria’s small coast defence fleet (1 gunboat; 8 torpedo boats; 3 patrol boats; 1 minelayer; 2 transports) joins Central Powers. 2 Russian destroyers sink 19 Turk supply vessels following day.
Italy: Italian seaplane carrier Europa (8 aircraft) commissioned.
Mesopotamia: Martinsyde aircraft from Royal Flying Corps flies first reconnaissance mission over Baghdad.
Germany: White Book against Allied use of coloured troops in Europe.
Britain: House of Lords discuss Armenian massacres.