Although the legion never fought autonomously, its units participated in campaigns in Hanover, Pomerania, Copenhagen and Walcheren, the Peninsular War under General Sir John Moore; and the retreat to Corunna; the Peninsular Campaign under the Duke of Wellington, including the battles of Bussaco, Barrosa, Fuentes de Onoro, Albuera, Ciudad Rodrigo, Salamanca, Garcia Hernandez, Burgos, Venta del Pozo, Vittoria, San Sebastian, Nivelle, Orthez, Sicily, and the eastern parts of Spain, Northern Germany and Göhrde.