France: At Boulogne Conference British agree in principle to extending BEF front.
Ypres – Battle of the Menin Road Ridge ends: Germans penetrate between Tower Hamlets and Polygon Wood, but later retire.
Britain: 15 Gotha bombers (1 lost) dispatched, 4 reach London.
Mesopotamia: Royal Flying Corps No 63 squadron loses 2 RE8s on first reconnaissance mission from Baghdad to German
aircraft near Tikrit.
Ypres: RFC claims 19 German aircraft for loss of 1 missing.
Belgium: Royal Navy Air Service and Royal Flying Corps attack St Denis Westrem and Gontrode Gotha bases (until October 10) forcing bombers to disperse and use two other airfields.
Adriatic: Italians bomb Pola and Olivi Rock submarine base.
Russia: Lenin writes to Central committee (letter arriving September 27) that armed uprising necessary.
Ireland: Death of Easter Rising rebel T Ashe (rearrested August 14) after forcible feeding in prison.