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Peter II, czar of Russia

(Encyclopedia)Peter II, 1715–30, czar of Russia (1727–30). A grandson of Peter I and the son of the czarevich Alexis, he succeeded on the death of Catherine I. He was too young to rule, but he willingly lent hi...

Peter II, king of Aragón

(Encyclopedia)Peter II, 1174–1213, king of Aragón (1196–1213) and count of Barcelona, son and successor of Alfonso II. He had himself crowned (1204) at Rome by Pope Innocent III, whom he accepted as overlord o...

Peter II, king of Portugal

(Encyclopedia)Peter II, 1648–1706, king of Portugal (1683–1706), younger son of John IV; brother and successor of Alfonso VI. In 1667, he seized power from his incompetent brother and ruled the country as princ...

Peter II, king of Yugoslovia

(Encyclopedia)Peter II, 1923–70, king of Yugoslavia (1934–45). He succeeded under the regency of his cousin, Prince Paul, when his father, King Alexander, was assassinated in Marseilles. In World War II, when P...

Byzantine Empire

(Encyclopedia)CE5 CE5 Byzantine Empire (c.1000) Byzantine Empire, successor state to the Roman Empire (see under Rome), also called Eastern Empire and East Roman Empire. It was named after Byzantium, which Emp...

Constantine IV, Byzantine emperor

(Encyclopedia)Constantine IV, c.652–685, Byzantine emperor (668–85), son and successor of Constans II. He defended Constantinople against the annual naval attacks of the Muslims, who finally withdrew in 678; Gr...

Amalric I

(Encyclopedia)Amalric I əmôˈrē, Fr. ämōrēˈ [key], c.1137–1174, Latin king of Jerusalem (1162–74); brother and successor of Baldwin III. He spent his reign in attempts to gain and hold the suzerainty of ...

Photius

(Encyclopedia)Photius fōˈshəs [key], c.820–892?, Greek churchman and theologian, patriarch of Constantinople, b. Constantinople. He came of a noble Byzantine family. Photius was one of the most learned men of ...

Villehardouin, Geoffroi de

(Encyclopedia)Villehardouin, Geoffroi de, c.1160–c.1212, French historian and Crusader. As marshal of Champagne, he was a leader of the Fourth Crusade (see Crusades), which resulted in the conquest (1204) of Cons...

John VIII, pope

(Encyclopedia)John VIII, d. 882, pope (872–82), a Roman; successor of Adrian II. John strenuously opposed the activities of St. Ignatius of Constantinople in Bulgaria. When Ignatius died, John recognized Photius ...