Kammala jumla mai zuwa: A watan Yulin 1808 rundunar ta tashi zuwa Portugal, a matsayin wani bangare na rundunar Sir Arthur Wellesley, don yin aiki a Yakin Peninsular. Ya yi yaƙi a
Yaƙin Roliça a watan Agusta 1808, Yaƙin Vimeiro daga baya a wannan watan da Yaƙin Talavera a watan Yuli 1809. Har ila yau, rundunar ta shiga cikin yakin Bussaco a watan Satumbar 1810 sannan ta koma Lines na Torres Vedras a watan Oktoba na 1810. Daga bisani rundunar ta shiga cikin Siege na Ciudad Rodrigo a watan Janairun 1812, da Siege na Badajoz a watan Maris na 1812 da yakin Salamanca a watan Yulin 1812 da kuma yakin Vitoria a watan Yunin 1813. Daga nan sai ya bi sojojin Faransa zuwa Faransa kuma ya yi yaƙi a Yaƙin Pyrenees a watan Yulin 1813, Yaƙin Nivelle a watan Nuwamba 1813 da Yaƙin Orthez a watan Fabrairun 1814 kafin ya shiga Yaƙin Toulouse a watan Afrilu 1814. Rundunar ta koma gida a watan Yuni 1814. A watan Oktoba na 1814 an aika da rundunar zuwa New Orleans don yin aiki a cikin War of 1812 amma an tuna da shi a ƙarshen wannan rikici a watan Maris na 1815.