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)

Eastern Front

Germans storm Grodno.

Austrians enter Brody.

Russians concentrate round Vilna.

Asiatic and Egyptian Theatres

Island of Ruad (between Latakia and Tripoli, Syria) occupied by French.

Political, etc.

Serbia replies to communication of Entente Powers, re: settlement of Balkan question.

German acceptance of American demands re: submarine warfare communicated by Count Bernstorff.