High Quality Content by WIKIPEDIA articles! Lieutenant General Sir Manley Power, KCB, ComTE (1773 – 7 July 1826) was a British military leader who fought in a number of campaigns for Britain and rose to the rank of Lieutenant General. He is chiefly remembered for leading a brigade of Portuguese troops under The Duke of Wellington in the Iberian Peninsular War. He is also remembered for jointly causing the removal of Sir George Prevost, governor-in-chief of British North America, for Prevost`s refusal to press the attack on Plattsburgh, New York, in 1814, during the War of 1812. After his active military service Sir Manley Power was appointed Lieutenant Governor of Malta.