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Roman architecture

(Encyclopedia)Roman architecture, structures produced by the ancient Romans. Most important among the structures developed by the Romans themselves were basilicas, baths, amphitheaters, and triumphal arches. U...

Henry the Navigator

(Encyclopedia)Henry the Navigator, 1394–1460, prince of Portugal, patron of exploration. Because he fought with extraordinary valor in the Portuguese conquest of Ceuta (1415), he was created duke of Viseu by his ...

Guibert of Ravenna

(Encyclopedia)Guibert of Ravenna gwĭbˈərt, gēbĕrˈ [key], d. 1100, Italian churchman, antipope (1080–1100) Clement III, b. Parma. As imperial chancellor of Italy (1057–63), he consistently supported the Ho...

Leo I, Byzantine emperor

(Encyclopedia)Leo I, d. 474, Byzantine or East Roman emperor (457–74). Chosen by the senate to succeed Marcian, he sought to counteract the preponderance of Germans in the Roman army by enlisting Isaurians. A nav...

Emmanuel Philibert

(Encyclopedia)Emmanuel Philibert āmänˈwĕl fēlēbĕrˈ [key], 1528–80, duke of Savoy (1553–80), called Ironhead. He succeeded his father, Charles III, who had been dispossessed of his duchy by Francis I of ...

Henry of Flanders

(Encyclopedia)Henry of Flanders, c.1174–1216, Latin emperor of Constantinople (1206–16), brother and successor of Emperor Baldwin I. The ablest and most respected of the Latin emperors, he fought successfully a...

Fuseli, Henry

(Encyclopedia)Fuseli, Henry fyo͞oˈzĭlē [key], 1741–1825, Anglo-Swiss painter and draftsman, b. Zürich. He was known also as Johann Heinrich Fuessli or Füssli. He took holy orders but never practiced the pri...

Conrad I, ruler of the Holy Roman Empire

(Encyclopedia)Conrad I, d. 918, German king (911–18). As duke of Franconia he distinguished himself by military exploits and in 911 was elected successor to Louis the Child by the Franconian, Saxon, Bavarian, and...

Theodore I , Byzantine emperor of Nicaea

(Encyclopedia)Theodore I (Theodore Lascaris), d. 1222, Byzantine emperor of Nicaea (1204–22), son-in-law of the Byzantine emperor Alexius III. He escaped from Constantinople after it was captured (1204) by the La...

Benno, Saint

(Encyclopedia)Benno, Saint, d. 1106, German prelate. He was bishop of Meissen and an ardent supporter of Pope Gregory VII against Holy Roman Emperor Henry IV, and the emperor had him deposed. He was reinstated on G...