On This Day - 31 May 1915
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)
Fighting at Hooge.
French take Souchez refinery and advance in the "Labyrinth" (north of Arras).
Zeppelin raid on London.
Austro-Germans capture Stryj and the three northern fronts of Przemsyl.
Asiatic and Egyptian Theatres
British defeat Turks at Kurna (Tigris).
Naval and Overseas Operations
Germans capitulate to Anglo-French at Monso (Cameroons).
Italians attack Pola.
Dissatisfaction in U.S.A. at German Note on the "Lusitania".
Riots in Ceylon.