The Encyclopedia Americana (1920)/Klopp, Onno

KLOPP, klŏp, Onno, German historian: b. Leer, East Friesland, 9 Oct. 1822; d. 1903. He studied at Bonn, Berlin and Göttingen (1841-45), and taught at Osnabruck Gymnasium (1845-58). He shared as intimate friend the exile of King George V of Hanover (1866). Becoming Roman Catholic (1873) his aversion to the Prussians increased and is distinctly marked in his writings. Later he went to Austria. He wrote ‘Die Geschichte Ostfrieslands’ (1854-81). ‘König Friedrich II von Preussen und die deutsche Nation’ (1860; 2d ed., 1867); ‘Der König Friedrich II von Preussen und seine Politik’ (1861); ‘Tilly im Dreissigjährigen Kriege’ (1861); ‘Der Fall des Hauses Stuart’ (14 vols., 1875-83); ‘Das Jahr 1683’ (1882); ‘König Georg V’ (1878); ‘Der Dreissigjährige Krieg bis zum Tode Gustav Adolfs, 1632’ (1891-96). He also edited the correspondence of Leopold I with Father Marco d'Aviano (1888).