by Prussia and forced her to a breach with Great Britain by binding her to close the Hanoverian ports to British commerce. The treaty, signed on 15 February, left Prussia wholly isolated in Europe. New retirement and death Haugwitz remained head of the Prussian Ministry of Foreign Affairs, but the course of Prussian policy was beyond his power to control. The Prussian ultimatum to Napoleon was forced upon him by overwhelming circumstances, and with the Battle of Jena, on 14 October, his political career came to an end. He accompanied the flight of the king into East Prussia, but thereafter took leave of him and retired to his Silesian estates. In 1821 he was appointed Curator of the University of Breslau; in 1820, owing to failing health, he went to live in Italy, where he remained till his death at Venice in 1832. His grave is in Este in the garden of the Villa Contarini (Este) in the Veneto. Terminology note Regarding personal names, Graf is a German title, translated as Count, not a first or middle name. The feminine form is Gräfin. Notes References 1752 births 1832 deaths 19th-century Prussian people 18th-century Prussian people 19th-century German people 18th-century German people Prussian politicians Ambassadors of Prussia Christian Heinrich Kurt von Counts of Germany Prussian nobility Silesian nobility People from the Province of Silesia