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Otto IV, Holy Roman emperor

(Encyclopedia)Otto IV, 1175?–1218, Holy Roman emperor (1209–15) and German king, son of Henry the Lion, duke of Saxony. He was brought up at the court of his uncle King Richard I of England, who secured his ele...

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...

Adelaide, empress consort of Holy Roman Emperor Otto I

(Encyclopedia)Adelaide äˈdĕlhīt [key], c.931–999, empress consort of Holy Roman Emperor Otto I, daughter of King Rudolf II of Arles. After the death (950) of her first husband, King Lothair of Italy, she was ...

Julius I, Saint

(Encyclopedia)Julius I, Saint, pope (337–52), a Roman; successor of St. Marcus. In the controversy over Arianism, when both sides appealed to him for support, he convened a synod at Rome (340), at which were pres...

Clement I, Saint

(Encyclopedia)Clement I, Saint, or Clement of Rome klĕmˈənt [key], d. a.d. 97?, pope (a.d. 88?–a.d. 97?), martyr; successor of St. Cletus. He may have known the apostles Peter and Paul and was a highly esteeme...

Calixtus I, Saint

(Encyclopedia)Calixtus I, Callixtus I, or Callistus I, Saint kəlĭkˈstəs, kəlĭsˈtəs [key], c.160–c.222, pope (217–222), a Roman; successor of St. Zephyrinus. As archdeacon to Zephyrinus he established th...

Adrian I, pope

(Encyclopedia)Adrian I, d. 795, pope (772–95), a Roman; successor of Stephen IV. At Adrian's urging, Charlemagne crossed the Alps and defeated the Lombard king, Desiderius, who had annexed papal territory. That d...

Celestine I, Saint

(Encyclopedia)Celestine I, Saint sĕlˈəstĭn [key], d. 432, pope (422–32), an Italian; successor of St. Boniface I. The opposition of St. Cyril of Alexandria to Nestorianism inspired both sides to appeal to the...

Manuel I, 1469–1521, king of Portugal

(Encyclopedia)Manuel I, 1469–1521, king of Portugal (1495–1521), successor of John II. Manuel's reign was most notable for the successful continuation of Portugal's overseas enterprises. John had planned the ex...

Zizka, John

(Encyclopedia)Zizka, John yän zhēshˈkä [key], d. 1424, Bohemian military leader and head of the Hussite forces during the anti-Hussite crusades of Holy Roman Emperor Sigismund. Before the Hussite Wars, which ga...