Western Front
Hindenburg and Ludendorff, in first visit to Western Front, hold meeting at Cambrai to develop new tactical doctrine of defence in-depth; OHL publishes key lessons.
Dutch soldiers shoot at a German aeroplane that wandered over Dutch territory, forcing the pilot to land in the Netherlands.
British naval aeroplanes bomb aerodrome at St. Denis Westrem (5 miles west of Ghent).
Battle of the Somme: Glos Regiment suffers heavy casualties in attack near West end of High Wood. German counter-attacks on Mouquet Farm (until September 12).
From Vermandovillers to Chaulnes, Germans make four massed attacks; the French take 200 prisoners.

Naval and Overseas Operations
Dover Patrol monitors shell Flanders coast between Middlekerke and Westende (until September 15) as diversion for Somme offensive.

__________________
On the kinkometer, my kink measures as a sine wave.