An armoured turret complete with an artillery gun in a mountain position in the Torzburg Pass, 1916. Image courtesy Imperial War Museum © IWM (Q 23928).
- Day 810 of the war
- German forces advance through Torzburg Pass and cross the Transylvanian border into Romania
- French troops attack along a 2km front west of Belloy-en-Santerre in the south of the Somme; they are successful in capturing the German first line
- Allied forces attack on the main Bulgar line on the Macedonian front. The attack is inconclusive.
- The Russian submarine Tyulen captures the Turkish registered, German officered armed transport vessel Rodosto in the Black Sea near Kefken
