. . . . . . . . "Hermann von Boyen"@en . . "1810"^^ . . . "Leopold Hermann Ludwig von Boyen (20 June 1771 \u2013 15 February 1848) was a Prussian army officer who helped to reform the Prussian Army in the early 19th century. He also served as minister of war of Prussia in the period 1810-1813 and later again from 1 March 1841 \u2013 6 October 1847."@en . . . "1841"^^ . . . . . . . . . "Leopold Hermann Ludwig von Boyen (20 June 1771 \u2013 15 February 1848) was a Prussian army officer who helped to reform the Prussian Army in the early 19th century. He also served as minister of war of Prussia in the period 1810-1813 and later again from 1 March 1841 \u2013 6 October 1847."@en . .