 Complete the following phrase:  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 Lieutet-General Sir John Moore in June 1809. The 1st battalion also took part in the disastrous Walcheren Campaign in autumn 1809. The 1st battalion returned to the Peninsular in spring 1812 and took part in the Battle of Salamanca in July 1812, the siege of Burgos in September 1812, and the 