<sod>On 21 September, Haig instructed the Fifth and Second armies, to make the next step across the Gheluvelt Plateau, on a front of {{convert|8500|yd|m}}. The [[I Anzac Corps]] was to conduct the main advance of about {{convert|1200|yd|m}}, to complete the occupation of Polygon Wood and capture the south end of Zonnebeke village.{{sfn|Edmonds|1948|p=280}}<eod>
<sod>On 21 September, Haig instructed the Fifth and Second armies, to make the next step across the Gheluvelt Plateau, on a front of {{convert|8500|yd|m}}. The I Anzac Corps was to conduct the main advance of about {{convert|1200|yd|m}}, to complete the occupation of Polygon Wood and capture the south end of Zonnebeke village.{{sfn|Edmonds|1948|p=280}}<eod>