Western Front
Battle of the Somme: German attacks north and northeast of Pozieres. British attack outskirts of Guillemont. French advance north of Hardecourt.
Battle of Verdun: French progress at Fleury and the Thiaumont work.
British Premier Asquith with Major Edward Gerald Thompson at the RFC headquarters at Fienvillers:
http://imgur.com/RUIPgCP © IWM (Q 11866)
Eastern Front
Brusilov Offensive, Galicia: Lechitski resumes offensive with gas shell preparation, advances 12 miles to Stanislau, takes it with 10,581 (3,500 German) PoWs (August 10), but rains and marshy ground slow progress. Russians identify German Karpatenkorps arriving from Verdun (August 8).
Southern Front
6th Battle of the Isonzo: Lambro and Etna Brigades storm Hill 188 and Peurna heights. Some Cuneo patrols reach Isonzo in night. Monte Sabatino, Monte San Michele and bridgehead of Gorizia captured. 8,000 prisoners, 11 guns and 100 machine guns taken. Austrians blow up rail bridge and counterattack at Grafenberg.
Asiatic and Egyptian Theaters
Stiff fighting at Romani; British threaten Turkish flanks.
Naval and Overseas Operations
Italy: Royal navy transfers 4 ‘W’-class submarines (some of them on August 23) small submarines to Italian Navy.
Political, etc.
United Kingdom: London workers demonstrate in Trafalgar Square, demanding the hanging of Kaiser Wilhelm for the execution of Charles Fryatt.
Admiralty deny allegation in German press that British Hospital Ships are being used as transports.
France: National Council of French Socialists votes 1,824 to 1,075 to sever relations with the German Socialists.