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Nicholas I, Saint, pope

(Encyclopedia)Nicholas I, Saint, c.825–867, pope (858–67), a Roman; successor of Benedict III. He was a vigorous and politically active pope who arbitrated both temporal and religious disputes. His decisions of...

Mahmud II

(Encyclopedia)Mahmud II, 1784–1839, Ottoman sultan (1808–39), younger son of Abd al-Hamid I. He was raised to the throne of the Ottoman Empire (Turkey) upon the deposition of his brother, Mustafa IV, and contin...

Lotharingia

(Encyclopedia)Lotharingia lŏthərĭnˈjə [key], name given to the northern portion of the lands assigned (843) to Emperor of the West Lothair I in the first division of the Carolingian empire (see Verdun, Treaty ...

Constantine II, Roman emperor

(Encyclopedia)Constantine II, 316–40, Roman emperor, son of Constantine I. When the empire was divided at the death (337) of Constantine I, among the brothers Constantius II, Constans I, and Constantine II, Const...

John II, Byzantine emperor

(Encyclopedia)John II (John Comnenus) kŏmnēˈnəs [key], 1088–1143, Byzantine emperor (1118–43), son and successor of Alexius I. He was crowned despite the intrigues of his sister, Anna Comnena, and of his mo...

Louis II, French king

(Encyclopedia)Louis II or Louis the Stammerer, 846–79, French king. He succeeded (877) his father, Emperor of the West Charles II, as king. On Louis's death his kingdom was divided between his sons Carloman and L...

Gregory II, Saint

(Encyclopedia)Gregory II, Saint, d. 731, pope (715–31), a Roman; successor of Constantine. When Byzantine Emperor Leo III tried to impose iconoclasm in Italy by an imperial edict, Gregory answered that the empero...

Muhammad II, Ottoman sultan

(Encyclopedia)Muhammad II or Mehmet II (Muhammad the Conqueror), 1429–81, Ottoman sultan (1451–81), son and successor of Murad II. He is considered the true founder of the Ottoman Empire (Turkey). He completed ...

Medici, Ferdinand II de'

(Encyclopedia)Medici, Ferdinand II de', 1610–70, grand duke of Tuscany (1620–70); son and successor of Cosimo II de' Medici. A pupil of Galileo, he founded (1657) the Accademia del Cimento, the first European a...

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