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Irene, Byzantine empress

(Encyclopedia)Irene īrēˈnē [key], c.750–803, Byzantine empress (797–802). She served (780–90) as regent for her son, Constantine VI, and later was made (792) joint ruler. Devoted to the Orthodox Church, s...

Anna Leopoldovna

(Encyclopedia)Anna Leopoldovna kärˈləvnə [key], 1718–46, duchess of Brunswick-Wolfenbüttel, regent of Russia (1740–41); daughter of Charles Leopold, duke of Mecklenburg-Schwerin, and of Catherine, sister o...

Hale, Horatio Emmons

(Encyclopedia)Hale, Horatio Emmons, 1817–96, American-Canadian ethnologist, b. Newport, N.H.; son of Sarah Josepha Hale. He served as ethnologist on the Charles Wilkes exploring expedition (1838–42) and wrote V...

Frederick I, elector of Brandenburg

(Encyclopedia)Frederick I, 1371–1440, elector of Brandenburg (1415–40), first of the Hohenzollerns (see Hohenzollern, family) to rule Brandenburg. As Frederick VI, burgrave of Nuremburg, he served under King Si...

Appian Way

(Encyclopedia)Appian Way ăpˈēən [key], Lat. Via Appia, most famous of the Roman roads, built (312 b.c.) under Appius Claudius Caecus. It connected Rome with Capua and was later extended to Beneventum (now Benev...

John IV, king of Portugal

(Encyclopedia)John IV, 1604–56, king of Portugal (1640–56). He succeeded as duke of Braganza in 1630. Descended from Manuel I and in illegitimate line from John I, he had the strongest claim to the Portuguese t...

Laski, John

(Encyclopedia)Laski, John yän lăsˈkē [key], Latin Johannes Alasco, 1499–1560, Polish Protestant reformer. A learned priest, he went in 1523 to Basel, where he was a close friend of Erasmus. After returning to...

Tudor, Owen

(Encyclopedia)Tudor, Owen, d. 1461, founder of the Tudor dynasty. He belonged to an ancient Welsh family. He was a squire at the court of Henry V, and, probably in 1429, he married Henry's widow, Catherine of Valoi...

Warwick, Richard de Beauchamp, earl of

(Encyclopedia)Warwick, Richard de Beauchamp, earl of, 1382–1439, English nobleman; son of Thomas de Beauchamp, earl of Warwick. He fought for Henry IV against Owen Glendower in Wales and the Percys at Shrewsbury ...

Yusuf ibn Tashfin

(Encyclopedia)Yusuf ibn Tashfin yo͞oso͝ofˈ ĭˈbən täshfēnˈ [key], d. 1106, ruler in the dynasty of the Almoravids (c.1059–1106). A Muslim, he led the Berbers in N Africa, continued the conquest of Morocco...