 Pari gbolohun ti o tẹle: Awon ara ilu Gẹẹsi 1st Division ni a da ni akọkọ ni 1809 nipasẹ Arthur Wellesley, 1st Duke of Wellington fun iṣẹ ni Ogun Peninsula, ti o fa ni akọkọ lati awọn ọmọ-ogun ara ilu Gẹẹsi meji ati ọmọ-ogun Hanoverian kan ti Kings German Legion. Lakoko Ogun Peninsula, o kopa ninu ọpọlọpọ awọn adehun laarin awọn Allies ati Faranse pẹlu Ogun Talavera ni 1809, Ogun Salamanca ni 1812, Siege of Tarragona ni 1813, : Ogun ti Vitoria ni 1813, Ogun ti San Sebastián ni 1813, Ogun ti Pyrenees ni 1813, Ogun ti Bidassoa ni 1813 ati Ogun ti Toulouse ni 1814. 