On This Day - 21 April 1916
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)
Western Front
Battle of Verdun: French make progress near Mort Homme, Vaux fort and Bois de Caillette.
British retake ground lost at Langemarck-Ypres.
Southern Front
Italian progress in the Carso.
