Western Front
Battle of the Somme: British storm trenches southeast of Thiepval and 11th Div the ‘Wonderwork’. Haig and Rawlinson confer, Haig urges determined assault on Martinpuich. French I Corps captures Le Priez Farm; French XXIII and VII Corps both stalemated; 78 German counter-attacks since September 1. Fruitless counter-attacks of a German division from Verdun front.
British armoured car and wounded soldiers near Guillemont:
http://imgur.com/D0aEy4W* © IWM (Q 1222)
Eastern Front
Transylvania: Battle of Merisor-Petrosani (until September 22) north of Vulcan Pass: Rumanian First Army attacks towards Hatszeg. Austrian codebreakers get a warning of Rumanian counter-attack.
Southern Front
Seventh Battle of Isonzo (until September 17): Alter lengthy artillery preparation including gas shells Italian Third Army (14 divisions, 966 guns, 584 mortars) attacks at 0900 hours on 6-mile front, captures Nova Vas Hills 144, 265 and 208 (Carso) with 1,800 PoWs, later regained by Austrians (Fifth Army, 101 battalions with 409 guns).
Macedonia: Italians and French make diversionary attacks in Doiran-Vardar sector. Serbs break through at Gornichevo on Florina road and capture 32 Bulgarian guns. British gain ground towards Machukova (south of Gevgeli)
Kavalla (Greek Macedonia) occupied by Bulgarians.
Political, etc.
Turkey: Ottoman government gives permission to the U.S. State Department to send aid to Syrians.
United States: Josiah Royce, American philosopher of the objective idealism school, has passed away:
http://imgur.com/5XrcQfU
(Possibly yesterday) San Francisco Chamber of Congress reports that Chinese immigrants to the U.S. have not been “accorded a square deal...”
Greece: Popular indignation in Greece at Kavalla news.