The 1/5th Battalion, 1/6th Battalion, 1/7th Battalion and 1/8th Battalion all landed at Cape Helles, as part of the 125th (Lancashire Fusiliers) Brigade, in early May 1915 and took part in the Second Battle of Krithia (6–8 May) under command of the 29th Division. The brigade later rejoined the 42nd (East Lancashire) Division for the Third Battle of Krithia and Battle of Krithia Vineyard. Evacuated from Gallipoli in December 1915, these four battalions landed on Moudros and proceeded to Egypt from where they transferred to Marseille in February 1917 for service on the Western Front.