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Koo, Vi Kuiyuin Wellington

(Encyclopedia)Koo, Vi Kuiyuin Wellington vē jün wĕlˈĭngtən ko͞o [key], Mandarin Ku Wei-chün, 1887–1985, Chinese Nationalist diplomat, b. Shanghai. Koo was educated at Columbia (B.A., 1908; M.A., 1909; Ph....

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...

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...

Praetorians

(Encyclopedia)Praetorians prētôrˈēənz [key], bodyguard of the ancient Roman emperors. Growing out of an early troop that served as bodyguard to the general commanding in Rome, they were formally organized in t...

Ivan III

(Encyclopedia)Ivan III or Ivan the Great, 1440–1505, grand duke of Moscow (1462–1505), creator of the consolidated Muscovite (Russian) state. He subjugated (1478) Great Novgorod, asserted his sway over Vyatka, ...

Nikopol, town, Bulgaria

(Encyclopedia)Nikopol nēkôˈpôl [key], town (1993 pop. 4,897), N Bulgaria, a port on the Danube River bordering Romania. Farming, viticulture, and fishing are the chief occupations. Founded in 629 by Byzantine e...

Sinop

(Encyclopedia)Sinop sēnōpˈ [key], anc. Sinope, town (1990 pop. 25,537), capital of Sinop prov., N Turkey, on the Black Sea. A small port, it has an excellent harbor but lacks adequate communications with the int...

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...

Constantius I

(Encyclopedia)Constantius I (Constantius Chlorus) kənstănˈshəs [key], c.250–306, Roman emperor (305–6). A career general, he gave up Helena to marry Theodora, the daughter of Maximian. He was made caesar (s...

Frederick II, Holy Roman emperor and German king

(Encyclopedia)Frederick II, 1194–1250, Holy Roman emperor (1220–50) and German king (1212–20), king of Sicily (1197–1250), and king of Jerusalem (1229–50), son of Holy Roman Emperor Henry VI and of Consta...