Western Front
Battle of the Somme: British Reserve Army redesignated Fifth Army and reinforced with guns from Third Army and all available 52 Tank Mk I‘s for limited ops astride Ancre Valley.
German troops with flamethrowers counterattack French positions east of Peronne, but are driven back.
French take trenches north-west of Sailly-Saillisel.

Eastern Front
German/Austro-Hungarians retiring in Jiu Valley and in Vulkan Pass.
South-east of Roter Turm Pass, enemy capture heights.
Germans and Turks force back Russians near River Narajowka (Galicia).
Latter advance towards Lutsk.

Southern Front
Violent fighting along whole line in Cherna region.
Bulgarian attack on Kalendia (Struma) repulsed.

Naval and Overseas Operations
Adriatic: Allied Taranto conference on Otranto Barrage ducks single commander question but Italians will transfer 22 trawlers from Tyrrhenian, plus add 18 small torpedo boats and 38 aircraft (30 French aircrafts at Corfu).
Britain: Royal Navy has 47 antisubmarine ships, from drifters to medium-size steamers.
East Africa: British drive enemy over Ruhuje River, and repel them in Iringa district and at Lupembe (East Africa).* Main body of enemy south of Central Railway and about Rufiji river, Tabora force being near Iringa.

Political, etc.
Germany: Lieut.-General Hermann von Stein succeeds Lieut.-General Wild von Hohenborn as German Minister for War (see January 21st, 1915, and October 9th, 1918).
United Kingdom: Increased wages demanded by Cardiff miners.
United States: U.S. Army recruitment is down this year, and there are less than 100,000 regulars in service.

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