William Pitt and Louisbourg -- Louisbourg, 1713-57 -- Planning the 1758 campaign -- The Louisbourg naval campaign in Europe, 1757-58 -- The close watch off Louisbourg, Spring 1758 -- The joint operation prepares, April-May -- The assault landing at Louisbourg, June -- The siege, June -- The siege, 1-15 July -- The bombardment, 16-27 July -- Aftermath -- Conclusion.