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Andronicus II

(Encyclopedia)Andronicus II (Andronicus Palaeologus) pālēŏlˈəgəs [key], 1258–1332, Byzantine emperor (1282–1328), son and successor of Michael VIII. He devoted himself chiefly to church affairs, renewing ...

Constantine VI, Byzantine emperor

(Encyclopedia)Constantine VI, b. c.770, Byzantine emperor (780–97), son and successor of Leo IV. His mother, Irene, was regent until 790, when she was deposed by a military revolt. Constantine recalled her in 792...

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...

Ramsey of Canterbury, Arthur Michael Ramsey, Baron

(Encyclopedia)Ramsey of Canterbury, Arthur Michael Ramsey, Baron, 1904–88, archbishop of Canterbury (1961–74), b. Cambridge, England. He was educated at Repton School; Magdalene College, Cambridge; and Cuddesdo...

Leo IX, Saint, pope

(Encyclopedia)Leo IX, Saint, 1002–54, pope (1049–54), a German named Bruno of Toul, b. Alsace; successor of Damasus II. A relative of Holy Roman Emperor Henry III, he was educated at Toul and was made bishop th...

Isaac I

(Encyclopedia)Isaac I (Isaac Comnenus) īˈzək kŏmnēˈnəs [key], c.1005–1061, Byzantine emperor (1057–59), first of the Comnenus dynasty. Proclaimed emperor by the army, he deposed Michael VI, who had succe...

Obrenović

(Encyclopedia)Obrenović or Obrenovich both: ōbrĕˈnəvĭch [key], Serbian dynasty. Its founder, Miloš Obrenović (see Miloš), was the first modern Serbian ruler. The murder (1817) of Karageorge (Karadjordje), ...

electrolysis

(Encyclopedia)CE5 Electrolysis: In a typical reaction electrodes are placed in a solution of hydrogen chloride, HCl, which contains both hydrogen and chlorine ions. The battery removes electrons from the anode, ...

Baldwin II, Latin emperor of Constantinople

(Encyclopedia)Baldwin II, 1217–73, last Latin emperor of Constantinople (1228–61), brother and successor of Robert of Courtenay. He began his personal rule only after the death (1237) of his father-in-law, John...

Knights of Columbus

(Encyclopedia)Knights of Columbus, American Roman Catholic society for men, founded (1882) at New Haven, Conn. (where its headquarters are still located), by Father Michael J. McGivney. Its mission is to encourage ...