- General Joseph Gallieni, French Minister of War and former Military Governor of Paris, dies in Versailles
- French forces secure trenches south-west of Mort Homme in the Battle of Verdun
- British forces occupy Neu Langenburg in German East Africa
- Austrian forces capture armoured works at Casaratta and take Monte Moschicce by storm in northern Italy. They have captured 284 guns since the beginning of the Trentino ottensive.
27 May 1916
