Rubuta ci gaba ga wannan sakin layi - An kafa runduna ta biyu a Perth a watan Agusta 1804. Rundunar ta 1 ta tashi zuwa Hanover a watan Disamba na 1805 kuma, bayan aiki a Jamus, ya koma Ingila a watan Fabrairun 1806. Rundunar ta tashi zuwa Portugal a watan Yunin 1808 don yin aiki a cikin Yakin Peninsular. Ya shiga cikin yakin Roliça
a watan Agusta 1808 da yakin Vimeiro daga baya a wannan watan kafin ya yi yaƙi a ƙarƙashin Laftanar Janar Sir John Moore a yakin Corunna a watan Janairun 1809 sannan kuma ya shiga cikin kwashewa daga baya daga yankin. Rundunar ta rasa sunan yankin da ake kira 91st Regiment of Foot a watan Afrilu 1809. Sa'an nan kuma 1st Battalion ya shiga cikin bala'in Walcheren Campaign a cikin kaka na 1809.