“ It was Clausewitz who negotiated the convention of Tauroggen, which separated the cause of Yorck’s Prussians from that of the French, and began the War of Liberation (see Yorck Von Wartenburg; also Blumenthal’s Die Konvention von Tauroggen, Berlin, 1901) . As a Russian officer he superintended the formation of the Landwehr of east Prussia (see Stein, Baron Vom) , and in the campaign of 1813 served as chief of staff to Count Wallmoden. ”

“ After the peace of 1814 Clausewitz re-entered the Prussian service, and in the Waterloo campaign was present at Ligny and Wavre as General Thielmann’s chief of staff. This post he retained till 1818, when he was promoted major-general and appointed director of the Allgemeine Kriegsschule. Here he remained till in 1830 he was made chief of the 3rd Artillery Inspection at Breslau. Next year he became chief of staff to Field-marshal Gneisenau, who commanded an army of observation on the Polish frontier. After the dissolution of this army Clausewitz returned to his artillery duties ”