On This Day - 4 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)
French take Craonne, and trenches on 3-mile front, 17 miles north-west of Reims. They bomb factories near Metz.
19,343 prisoners secured by British during April.
Naval and Overseas Operations
British transports "Arcadian" and "Transylvania" torpedoed in Mediterranean. 19 officers and 258 men, and 31 officers and 382 men respectively, lost.
British Admiralty reform announced.
Russian Provisional Government secures narrow vote of confidence.