On This Day - 26 May 1917
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)
Three German attacks in Champagne, all successful.
Italians take and lose Kostanjevica, but capture 10 guns.
Naval and Overseas Operations
Hospital ship "Dover Castle" torpedoed twice in Mediterranean, and sunk, 6 lost.
Mr. Balfour arrives in Canada.
French Minister of Marine states Germans have sunk 2,400,000 tons in first four months.
Brazil annuls its neutrality decree.