On This Day - 18 December 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)
Aeroplane raid on London, Essex and Kent; 14 killed, 85 injured.
Heavy air fighting in Allies' favour on northern front.
Area of civil war extends to the Ukraine. Rada rejects Bolshevist demands for passage.
Italian Fourth Army heavily attacked near Mt. Asolone (Mt. Grappa), Austrians claim 2,000 prisoners.
Asiatic and Egyptian Theatres
British clear ground south-east of Jerusalem, beyond Abu Dir.