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Henry III, king of France

(Encyclopedia)Henry III, 1551–89, king of France (1574–89); son of King Henry II and Catherine de' Medici. He succeeded his brother, Charles IX. As a leader of the royal army in the Wars of Religion (see Religi...

Baekeland, Leo Hendrik

(Encyclopedia)Baekeland, Leo Hendrik bākˈlănd [key], 1863–1944, American chemist, b. Belgium, grad. Univ. of Ghent, 1882. In 1889 he emigrated to the United States. He founded (1893) and conducted, until 1899,...

Leo IV, Byzantine emperor

(Encyclopedia)Leo IV (Leo the Khazar), d. 780, Byzantine emperor (775–80), son and successor of Constantine V. He owed his nickname to his mother, a Khazar princess. Leo tempered the iconoclastic excesses of his ...

Patrick, Saint

(Encyclopedia)Patrick, Saint, c.385–461, Christian missionary, the Apostle of Ireland, b. Bannavem Taberniae (an unknown place in Britain, possibly near the Severn or in Pembroke). He was one of the most successf...

Clement III, antipope

(Encyclopedia)Clement III, antipope: see Guibert of Ravenna. ...

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...

Martin IV, d. 1285, pope

(Encyclopedia)Martin IV, d. 1285, pope (1281–85), a Frenchman named Simon de Brie; successor of Nicholas III. He was chancellor under Louis IX of France and was created cardinal by Urban IV. He was thus a support...

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...

Muhammad III, Ottoman sultan

(Encyclopedia)Muhammad III or Mehmet III, 1567–1603, Ottoman sultan (1595–1603), son and successor of Murad III to the throne of the Ottoman Empire (Turkey). Muhammad, who was a provisional governor under his f...

Peter III, king of Aragón and king of Sicily

(Encyclopedia)Peter III (Peter the Great), 1239?–1285, king of Aragón and count of Barcelona (1276–85) and king of Sicily (1282–85); son and successor of James I. In 1280 he established Aragonese influence o...