- French troops on the Western Front recapture the remainder of Saillisel, while British forces repulse a German attack near Berny, north-east of Ablaincourt
- Romanian troops on the Eastern Front retreat in the valleys of Aluta and Jiu, as severe fighting continues near Orsova on the Danube
- Russian and Romanian troops fail on Cernavoda and retreat to Dunarea
- French and Serbian troops capture Iven, 24 kms east of Monastir
- Portuguese troops occupy Lulindi in German East Africa, as British troops defeat the Germans at Malangali
- British forces occupy Shiraz in southern Persia