World War One Diary for Sunday, February 18, 1917:
Western Front
Somme: British troops repulse German attack on their new positions above Baillescourt Farm (north of river Ancre).
Home Fronts
Russia: General Khabaiov of Petrograd military district given special powers to maintain order.
Sea War
Indian Ocean: Raider Wolf lays 58 mines off Ceylon, swept by 6 trawlers for loss of 2 large ships.