Theatre definitions: Western Front comprises the Franco-German-Belgian front and any military action in Great Britain, Switzerland, Scandinavia and Holland.  Eastern Front comprises the German-Russian, Austro-Russian and Austro-Romanian fronts.  Southern Front comprises the Austro-Italian and Balkan (including Bulgaro-Romanian) fronts, and Dardanelles.  Asiatic and Egyptian Theatres comprises Egypt, Tripoli, the Sudan, Asia Minor (including Transcaucasia), Arabia, Mesopotamia, Syria, Persia, Afghanistan, Turkestan, China, India, etc.  Naval and Overseas Operations comprises operations on the seas (except where carried out in combination with troops on land) and in Colonial and Overseas theatres, America, etc.  Political, etc. comprises political and internal events in all countries, including Notes, speeches, diplomatic, financial, economic and domestic matters.  Source: Chronology of the War (1914-18, London; copyright expired)

Western Front

South of Somme, French advance on three-mile front and take all objectives, Bois de Chaulnes and Ablaincourt, and 1,400 prisoners.

Eastern Front

Austro-German advance continues in Transylvania.

General Averescu takes command of 2nd Army.

Romanians make stand in Predeal Pass (south of Kronstadt).

Southern Front

On Struma front, Seres railway cut by British, enemy falling back to hills.

Serbs gain footing in Brod (Cherna front).

In Trentino enemy thrust back from northern slopes Mt. Pasubio.

Italians clear whole plateau on Mt. Cormagnon.

Battle of the Carso commences; whole of enemy's first line, Hill 208 and Nova Villa taken by Italians.  5,034 prisoners.

Asiatic and Egyptian Theatres

Sheikh Ahmed es Senussi leaves Baharia Oasis for Siwa.

Political, etc.

Peremptory Allied Note to Greece; Greek Government complies.