Air War
Somme: Boelcke‘s Jasta 2 shoots down 3 RFC artillery observation aircraft.
Balkans: 5 RNAS aircraft leave Imbros to fly to help Rumania, 4 reach Bucharest; 4 more aircraft sent on November 21.
Western Front
Battle of the Somme: Many supply trucks stuck in deep mud around Montauban, ammo shortages hamper Allied guns.
Verdun: ÂLieutenant Louis Franchet d’Esperey (son of general) of 401st Infantry Regiment killed before Fort Vaux, aged 18.
Sea War
Mediterranean: 26 U-boats assigned (including 4 in Black Sea and 8 en route or preparing to leave).