Arabia: Captain T E Lawrence of Arab Bureau lands at Jeddah from HMS Lama; meets Abdulla and Ali (October 17). So far Arabs have received 3,260 rifles, 32 MGs, 16 guns and 3,344t of food.
Pripet – Last blow of Brusilov Offensive: Gourko’s Special Army attacks on 12-mile front towards Vladimir-Volinski (until October 17) but German artillery too powerful.
Carpathians: Austrian Seventh Army attacks Russo-Rumanian junction, Germans take Gyimen Pass (2364ft). Austro-German mountain troops fail to breakout across Rotenturm Pass (until October 18).
Somme: 5 Anglo-French aircraft destroy 2 German aircraft, extensive RFC night bombing.
Greece: Allies land reinforcements to keep order after anti-Allied Athens demos (October 15) and seize 3 more Greek warships.