On This Day - 23 July 1915
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)
Fortresses of Rojan and Pultusk stormed and river Narev crossed by Germans.
Russians overtaken and defeated near Shavli (Courland).
Italians advance along Luznica Ridge (Julian).
Asiatic and Egyptian Theatres
Italian garrisons massacred in revolt of Senussites in Tripoli, German and Turkish officers in command.
Naval and Overseas Operations
Austrian warships bombard Ortona and the Tremiti Islands (Adriatic).
Third American Note to Germany re: "Lusitania" published.