Brigadier-General James Edmonds , the British official historian , wrote in Writing the History of the Great War Hostile_encounter , that the II Corps battle Hostile_encounter at La Bassée could be taken Conquering as separate but that the battles Hostile_encounter from Armentières to Messines and Ypres , were better understood Know as one battle Hostile_encounter in two parts , an offensive Attack by III Corps and the Cavalry Corps from 12 to 18 October against which the Germans retired Process_end and an offensive Judgment_communication by the German 6th Army and 4th Army from 19 October to 2 November , which from 30 October , took place Process_start mainly north of the Lys , when the battles Hostile_encounter of Armentières and Messines merged Cause_to_amalgamate with the Battles Hostile_encounter of Ypres .