The Grand Strategy, the imaginative plan to divide the rebellious American colonies, ended in disaster. On October 17, 1777, General Sir John Burgoyne, alone, unaided and stranded in the American wilderness, capitulated with his army at Saratoga in upper New York State. It was the ‘turning point’ of the Revolution, which culminated four years later in the British surrender at Yorktown. Creasy wrote of Saratoga: ‘Nor can any military event be said to have exercised more important influence upon the future fortunes of mankind…’