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Theodore of Mopsuestia

(Encyclopedia)Theodore of Mopsuestia mŏpˌsyo͞oĕsˈchə [key], c.350–428, Syrian Christian theologian, bishop of Mopsuestia (from 392). Together with his lifelong friend, St. John Chrysostom, he studied at the...

Raymond IV, count of Toulouse

(Encyclopedia)Raymond IV, c.1038–1105, count of Toulouse (1093–1105), leader in the First Crusade (see Crusades). He was also count of Saint Gilles and marquis of Provence. The first great prince to take the Cr...

Nicephorus I

(Encyclopedia)Nicephorus I, d. 811, Byzantine emperor (802–11). He was minister of finance under Empress Irene, whom he deposed and succeeded. He improved the treasury, revised taxation, and vigorously asserted i...

Albert I, Holy Roman Emperor

(Encyclopedia)Albert I, c.1250–1308, Holy Roman Emperor (1298–1308), son of Rudolf I. Albert was invested with Austria and Styria in 1282 by his father, who also hoped to secure the succession as king of the Ge...

Ferdinand I, Holy Roman emperor

(Encyclopedia)Ferdinand I, 1503–64, Holy Roman emperor (1558–64), king of Bohemia (1526–64) and of Hungary (1526–64), younger brother of Holy Roman Emperor Charles V. Brought up in Spain, he was expected to...

Francis I, Holy Roman emperor

(Encyclopedia)Francis I, 1708–65, Holy Roman emperor (1745–65), duke of Lorraine (1729–37) as Francis Stephen, grand duke of Tuscany (1737–65), husband of Archduchess Maria Theresa. He succeeded his father ...

Otto I, Holy Roman emperor

(Encyclopedia)Otto I or Otto the Great, 912–73, Holy Roman emperor (962–73) and German king (936–73), son and successor of Henry I of Germany. He is often regarded as the founder of the Holy Roman Empire. Bol...

Leopold I, Holy Roman emperor

(Encyclopedia)Leopold I, 1640–1705, Holy Roman emperor (1658–1705), king of Bohemia (1656–1705) and of Hungary (1655–1705), second son and successor of Ferdinand III. Upon his elder brother's death (1654), ...

Alexius II

(Encyclopedia)Alexius II (Alexius Comnenus), 1168–83, Byzantine emperor (1180–83), son and successor of Manuel I. His mother, Mary of Antioch, who was regent for him, alienated the population by favoring the La...

Arius

(Encyclopedia)Arius ərīˈəs, ârˈē– [key], c.256–336, Libyan theologian, founder of the Arian heresy. A parish priest in Alexandria, he advanced the doctrine famous as Arianism and was excommunicated local...