Rubuta ci gaba ga wannan sakin layi - A lokacin Yakin Peninsular, ya bi Sir Brent Spencer zuwa gabar tekun Spain a 1808. A cikin 1808 da 1809, ya yi aiki a Fotigal a matsayin mataimakin janar-janar kuma a matsayin "mai taimakawa sansani" ga Duke na Wellington. Ya kasance a cikin yaƙe-yaƙe na Roliça
, Vimeiro, Corunna, Talavera, da Buçaco, waɗanda yaƙi ya karɓi giciye na zinariya. Ya kuma kasance a wurin da Wellington ya wuce daga Douro a 1809.