Frederick North, 2nd Earl of Guilford, KG, PC , more often known by his courtesy title, Lord North, which he used from 1752 until 1790, was Prime Minister of Great Britain from 1770 to 1782, and a major figure in the American Revolution. He is also more commonly known as the 'Man who lost America' to Britain, due to his tactic failures during the Revolutionary wars as well as his interference with the Sugar Act in 1764.