 Complete the following phrase:  At Gallipoli, the division landed at Anzac Cove on 25 April 1915, coming ashore as follow-on troops to the initial assault force that had made it ashore earlier in the day, and later occupied the northern areas of the Allied lodgement. After the initial Allied assault at Anzac Cove, elements of the division were sent to Cape Helles in early May, where they participated in the Second Battle of Krithia, launching an unsuccessful attack towards the Achi Baba peak. The divisions mounted units were sent to Gallipoli in mid-May without their horses, to serve as dismounted infantry, making up for previous losses. Later that month, the division helped repel an Ottoman counter-attack at Anzac Cove, after which it occupied the line until August, when the Allies launched an offensive designed to break the deadlock. During this period, the division attacked Chunuk Bair and Hill 971, and then later 