On This Day - 20 September 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)
British advance east of Ypres and take Inverness Copse, Glencorse Wood, Veldhoek and part of Polygon Wood and 2,000 prisoners.
Enemy attack thrice in Susitza Valley (Moldavia), repulsed by Romanians.
French and Albanian troops raid Austrians in Skumbi valley (Albania); 400 prisoners.
Asiatic and Egyptian Theatres
General Cassini's column defeat Nuri Pasha at Zanzur (west of Tripoli City); enemy losses 1,600 etc.
Trans-Caucasia declares itself a Republic.
Sir A. Yapp, Food Controller.
Nation War Convention of U.S.A.
Chambers of Commerce meets for better understanding of British war aims; addressed by Lord Northcliffe.