The regiment landed in Portugal in June 1808, and under General Sir Arthur Wellesley, fought in the Battle of Roliça and the Battle of Vimeiro in August 1808. The regiment fought under General Sir John Moore in the retreat to Corunna, and on returning to England they were part of the Walcheren Campaign in the Netherlands where many were struck down with malaria. After being reinforced the regiment returned to Spain in June 1811, and contributed to the storming parties at the Battle of Salamanca in July 1812. The regiment pursued the French Army into France and saw action again at the Battle of the Pyrenees in July 1813, the Battle of Nivelle in November 1813 and the Battle of the Nive in December 1813 as well as the Battle of Orthez in February 1814.