On This Day - 23 August 1914
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)
Battle of Mons begins: general German attack on the French from Charleroi to Dinant.
French begin to fall back from Sambre and Meuse; also in northern Alsace.
East Prussia: Germans evacuate Insterburg; at the Battle of Frankenau, Germans driven back.
Galicia: Russians take Brody and Tarnopol.
Asiatic and Egyptian Theatres
Tsing-tau blockaded and bombarded by the Japanese.
Japan declares war on Germany.
Germany: Hindenburg receives command in East Prussia.