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Calixtus II

(Encyclopedia)Calixtus II, Callixtus II, or Callistus II, d. 1124, pope (1119–24), named Guy of Burgundy, successor of Gelasius II. The son of count William I of Burgundy, he was archbishop of Vienne during the ...

Boleslaus II

(Encyclopedia)Boleslaus II, c.1039–1081, duke (1058–76), and later king (1076–79) of Poland; son and successor of Casimir I. Throughout his reign he opposed the influence of the Holy Roman Empire. He asserted...

Boleslav II

(Encyclopedia)Boleslav II, d. 999, duke of Bohemia (967–99), son and successor of Boleslav I. Continuing his father's policies, he largely completed the Christianization of Bohemia. In 973 he agreed to the establ...

Beyazid II

(Encyclopedia)Beyazid II, 1447–1513, Ottoman sultan (1481–1512), son and successor of Muhammad II to the throne of the Ottoman Empire (Turkey). With the help of the corps of Janissaries he put down the revolt o...

Agesilaus II

(Encyclopedia)Agesilaus II əjĕˌsĭlāˈəs [key], c.444–360 b.c., king of Sparta. After the death of Agis I (398? b.c.), he was brought to power by Lysander, whom he promptly ignored. After the Peloponnesian W...

Ahmed II

(Encyclopedia)Ahmed II, 1642–95, Ottoman sultan (1691–95), brother and successor of Sulayman II to the throne of the Ottoman Empire (Turkey). Soon after his reign began, the Turkish defeat at Slankamen, Serbia ...

Urban II

(Encyclopedia)Urban II, c.1042–1099, pope (1088–99), a Frenchman named Odo (or Eudes) of Lagery; successor of Victor III. He studied at Reims and became a monk at Cluny. He went to Rome, as prior of Cluny, earl...

Mersen, Treaty of

(Encyclopedia)Mersen, Treaty of, 870, redivision of the Carolingian empire by the sons of Louis I, Charles the Bald (later Charles II) of the West Franks (France) and Louis the German of the East Franks (Germany), ...

Einhard

(Encyclopedia)Einhard āˈgĭnhärt [key], c.770–840, Frankish historian. Educated in the monastery of Fulda, he continued his studies at Charlemagne's palace school in Aachen and rose to high favor with the empe...

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...