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

Heavy bombardments continue along Belgium and French fronts, especially in Arras region.

This completes 13th day of incessant artillery duel on Western Front.

French aircraft bomb barracks at Dieuze and Morchingen.

Eastern Front

Tsar takes supreme command, with General Alexeiev as Chief of Staff, General Russki succeeding latter as General Officer Commander-in-Chief Northern Army; fighting on Styr and Sereth.

Southern Front

Night attack at Dardanelles by Turks repulsed by Australians.

Asiatic and Egyptians Theatres

Defeat of Mohmands on Indian frontier by General Campbell at Hafiz Khor (Gundao Valley).

Naval and Overseas Operations

Mine explosions on Uganda railway.  Trains derailed, no casualties.