On This Day - 23 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)
Zeppelin raid eastern counties, 1 killed.
Germans make early attack on Vauclere Plateau (Craonne), heavily repulsed.
Southern Carso: Great Italian advance from Kostanjevica to the sea, capturing several important positions. Ten British batteries and British monitors engaged. 9,000 prisoners taken.
Asiatic and Egyptian Theatres
Demonstration and raid by mounted troops on Bir-es-Saba (Palestine).
M. Isvolski appointed Ambassador in London (subsequently cancelled).
Return to France of Marshal Joffre and M. Viviani from U.S.A.