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Leo III, Saint, pope

(Encyclopedia)Leo III, Saint, pope (795–816), a Roman; successor of Adrian I. He was attacked about the face and eyes by members of Adrian's family, who hoped to render him unfit for the papacy. Leo recovered and...

Theodore II , Byzantine emperor of Nicaea

(Encyclopedia)Theodore II (Theodore Lascaris), 1222–58, Byzantine emperor of Nicaea (1254–58), son and successor of John III. He fought the Bulgarians and temporarily regained parts of Thrace. He made Nicaea a ...

Holstein

(Encyclopedia)Holstein, former duchy, N central Germany, the part of Schleswig-Holstein S of the Eider River. Kiel and Rendsburg were the chief cities. For a description of Holstein and for its history after 1814, ...

Albert the Bear

(Encyclopedia)Albert the Bear, c.1100–1170, first margrave of Brandenburg (1150–70). He was a loyal vassal of Holy Roman Emperor Lothair II, who, as duke of Saxony, helped him take (1123) Lower Lusatia and the ...

Charles Augustus

(Encyclopedia)Charles Augustus, 1757–1828, duke and, after 1815, grand duke of Saxe-Weimar-Eisenach; friend and patron of Goethe, Schiller, and Herder. Though his duchy was small, he was important in German polit...

Joanna, Spanish queen of Castile

(Encyclopedia)Joanna (Joanna the Mad), 1479–1555, Spanish queen of Castile and León (1504–55), daughter of Ferdinand II and Isabella I. She succeeded to Castile and León at the death of her mother. Ferdinand ...

Sol, in Roman religion

(Encyclopedia)Sol sŏl [key], in Roman religion, sun god. An ancient god of Mesopotamian origin, he was introduced (c.220) into Roman religion as Sol Invictus by emperor Heliogabalus. His worship remained an import...

Dix, Otto

(Encyclopedia)Dix, Otto, 1891–1969, German painter and draftsman. Dix fought in World War I and returned to Düsseldorf haunted by the horrors he had witnessed. In 1924 he published War, a series of 50 etchings, ...

Hahn, Otto

(Encyclopedia)Hahn, Otto ôˈtō hän [key], 1879–1968, German chemist and physicist. His important contributions in the field of radioactivity include the discovery of several radioactive substances, the develop...

Jespersen, Otto

(Encyclopedia)Jespersen, Otto ŏˈtō yĕsˈpərsən [key], 1860–1943, Danish philologist. Professor of English language and literature at the Univ. of Copenhagen and later rector there, Jespersen first earned a ...