On This Day - 13 April 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)
South of Bapume-Cambrai road, British capture village and wood of Gouzeaucourt.
North of Scarpe, British capture Vimy, Givenchy-en-Gohelle, Angres and two other villages.
Asiatic and Egyptian Theatres
British drive Turks from Seraijik (on Deli-Abbas-Mosul road).
Russian Provisional Government receives representatives of British Labour and French Socialists.
All-Russian Conference of workmen and soldiers' delegates at Petrograd.
Bolivia severs diplomatic relations with Germany.