On This Day - 22 April 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)
Second Battle of Ypres begins: town of Ypres largely destroyed; German advance checked by Canadians after French retreat before poisonous gas attack.
Progress by the French near St. Mihiel.
Russian attacks repulsed on both sides of the Uzsok Pass.
Austrian attack towards Styrj fails.
Anglo-French force landed at Enos.
Naval and Overseas Operations
Resumed bombardment of the forts at Smyrna.
British Admiralty suspends passenger traffic between England and Holland.