On This Day - 21 August 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)
Western Front
British capture enemy positions west and north-west of Lens on front of 200 yards.
Verdun front, French take Cote de l'Oie, Regneville (on left bank), Samogneux and fortified trenches connecting village with Hill 344.Zeppelin raid on Yorkshire, 1 injured.
Eastern Front
Enemy attack on Riga front commences.
Russians evacuate positions between Tirul Marsh and River Aa.
Enemy attack town of Sereth (Bukovina) and take one of fortified heights.
Southern Front
Battle in Carso region continues.
Political, etc.
Labour Party reaffirm their decision to send delegates to Stockholm.
Parliament adjourns.
