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

Battle of Verdun: German attacks west of Vaux Fort and at Thiaumont repulsed.

Germans bombard Ypres heavily.

Eastern Front

Russians reach suburbs of Czernowitz; repel attacks near Dvinsk and Vilna; are checked at Lutsk and lose ground on Strypa; 7,000 prisoners reported.

Asiatic and Egyptian Theatres

Skirmishes at Katiya; Turks bomb El Kantara (Egypt).

Russians repulse Turks at Platina (west of Trebizond).