The 1st Division was relieved by the Australian 5th Division before the next assault, the Battle of Polygon Wood (26 September), but in turn took up the advance for the following Battle of Broodseinde (4 October), the third and final of the successful bite-and-hold attacks conceived by General Herbert Plumer of the British Second Army. This battle marked the peak of British success during 3rd Ypres and apart from minor roles on the southern flank of the Canadian Corps during the Battle of Poelcappelle, First Battle of Passchendaele and the Second Battle of Passchendaele, it was the end of the 1st Division's involvement. The division's casualties were 2,448 men killed or wounded.