Western Front
Battle of the Somme: British troops launch four assaults on German lines at Ovillers and Bazentin-le-Petit, but fail to make further advances. British consolidate their positions; withdraw from Bois des Foureaux (High Wood).
German troops attacked and captured La Maisonette and Biaches, but a French counterattack recaptures the towns.
British 62nd Brigade relieved at Mametz Wood (night July 15-16). Since July 12, heavy German guns have inflicted 950 casualties.
Battle of Verdun: French make slight advance west of Fleury.
Russian and French patrols work together on the Champagne front in one of the first actions by the Russians on the Western Front.
German prisoners carrying a wounded soldier in a sheet:
http://imgur.com/3jIfgCc © IWM (Q 3971)
Eastern Front
Slight Siberian (Russian Twelfth Army) advance southeast of Riga peters out against Below’s Eighth Army (until July 21).
Asiatic and Egyptian Theaters
Arab Revolt: Egyptian 4-gun mountain battery shells Taif, a Turk stronghold.
Political, etc.
United Kingdom: “War Savings Week” begins today in Britain to encourage citizens to invest in the financing of the war.
Sir Victor Horsley, a British physician and neuroscientist, passes away in Iraq while serving in the Army.