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Hilary of Poitiers, Saint

(Encyclopedia)Hilary of Poitiers, Saint poitērzˈ, poiˈtyā [key], c.315–367?, bishop of Poitiers from c.350, Doctor of the Church. A convert from paganism, he distinguished himself as a supporter of Athanasius...

Leo I, Byzantine emperor

(Encyclopedia)Leo I, d. 474, Byzantine or East Roman emperor (457–74). Chosen by the senate to succeed Marcian, he sought to counteract the preponderance of Germans in the Roman army by enlisting Isaurians. A nav...

Leo III, Byzantine emperor

(Encyclopedia)Leo III (Leo the Isaurian or Leo the Syrian), c.680–741, Byzantine emperor (717–41). He was probably born in N Syria (rather than in Isauria, as once thought). He held diplomatic and military post...

Leo V, Byzantine emperor

(Encyclopedia)Leo V (Leo the Armenian), d. 820, Byzantine emperor (813–20), successor of Michael I. A former general, Leo successfully defended (813) Constantinople against the Bulgars and concluded a 30-year tru...

Leo VI, Byzantine emperor

(Encyclopedia)Leo VI (Leo the Wise or Leo the Philosopher), 862?–912, Byzantine emperor (886–912), son and successor of Basil I. He added to the work of his father by the publication (887–93) of the Basilica,...

Caprivi, Leo, Graf von

(Encyclopedia)Caprivi, Leo, Graf von lāˈō gräf fən käprēˈvē [key], 1831–99, German chancellor, whose full name was Georg Leo, Graf von Caprivi de Caprara de Montecuculi. A former army officer and head of...

Bolt, Usain St. Leo

(Encyclopedia)Bolt, Usain St. Leo, 1986–, Jamaican sprinter. Unusually tall (6 ft 5 in./1.96 m) for his sport, he won the gold medal for the 200-m sprint at the 2002 world junior championships and then broke the ...

Vatican City

(Encyclopedia)CE5 Vatican City vătˈĭkən [key] or Holy See, officially Holy See (State of the Vatican City), independent state (2015 est. pop. 1,000), 108.7 acres (44 hectares), within the city of Rome, Italy...

Nogaret, Guillaume de

(Encyclopedia)Nogaret, Guillaume de gēyōmˈ də nôgärāˈ [key], 1265?–1313, French statesman. A jurist, he was a member of the royal council of King Philip IV. During Philip's conflict with Pope Boniface VII...

Michael VIII, Byzantine emperor

(Encyclopedia)Michael VIII (Michael Palaeologus), c.1225–1282, Byzantine emperor (1261–82), first of the Palaeologus dynasty. Following the murder of the regent for Emperor John IV of Nicaea, he was appointed (...