1917, Ailles, Austria-Hungary, British Empire, France, German East Africa, German Empire, Germany, Great Britain, Italy, Lens, Malawi, Mozambique, Nyasaland, Paissy, Portugal, Rovuma, Second Battle of the Aisne, Tanzania
Further British progress south-west and west of Lens, capturing German defences on a front of half a mile. German gains on French front across the Ailles-Paissy road. Italians evacuate part of the border pass of Agnella. Fighting reported in German East Africa; German troops driven back from borders of Nyasaland to the Rovuma border by British and Portuguese.