Lonsdale Battalion events that took place on 20 August.
- Battalion situated in the Cambrin Sector, front line trenches.
- The Lonsdales have a comparatively quiet day except for a few trench mortars and rifle grenades fired from both sides.
- Battalion situated at Ghyvelde involved in Battalion training in Divisional Attack and rapid consolidation etc.
- Deaths: William Foster Featherstone (23738 Pte.).