Battle of Welsh Ridge Unit/ Formation: Royal Marines Location: Villers Plouich Period/ Conflict: World War I Year: 1917 Date/s: 30 December 1917 The action at Welsh Ridge was fought when the enemy counterattacked in the last days of the Battle of Cambrai. Welsh Ridge was a short stretch of higher ground forming a salient bulging out towards Marcoing. It had been captured during the Battle of Cambrai, the Germans determined to re take the ground. The salient was centre