 In 1803 a 2nd battalion was raised.The 1st battalion moved in Naples in January 1806 and to Sicily shortly thereafter.In 1807 a number of regiments had their territorial affiliations shuffled, with the East Middlesex title passing to the 77th Foot and the 39th taking the Dorsetshire title previously held by the 35th (Sussex) Regiment of Foot to become the 39th (Dorsetshire) Regiment of Foot.