 After taking part in the capture of the Cape of Good Hope in January 1806, it embarked for South America where it fought under General William Beresford at the capture of Montevideo in January 1807 and at the attack on Buenos Aires in July 1807 during the British invasions of the River Plate.The 1st battalion embarked for the Peninsular in June 1808 and saw action at the Battle of Roliça in August 1808, the Battle of Vimeiro later in August 1808, and the retreat to Corunna under Lieutenant-General Sir John Moore in June 1809.The 1st battalion also took part in the disastrous Walcheren Campaign in autumn 1809.