On This Day - 21 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)
Western Front
Belgians forced to abandon their trenches at Namur.
Battle of Charleroi, between Mons and the Meuse, between French and Germans begins.
British move towards Mons.
Eastern Front
East Prussia: Advance of Second Army under Samsonov; occupation (August 21-23) of Allenstein, Neidenburg, Soldau, Johannisburg, etc.
Naval and Overseas Operations
South Africa invaded by German troops.