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

French fail in attack on Boureuilles (Argonne), but carry a height near Cernay (Alsace).

Eastern Front

Russians occupy Suczava (Bukovina).

Southern Front

Austrians occupy Ada Tsiganlia, an island near Belgrade.

Asiatic and Egyptian Theatres

Very heavy fighting at Sarikamish, and at Ardahan (Transcauc.).

Political, etc.

Arrest of Cardinal Mercier (Belgium) for Pastoral Letter.