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Michael I, Byzantine emperor

(Encyclopedia)Michael I (Michael Rangabe), d. c.845, Byzantine emperor (811–13), son-in-law of Nicephorus I. He supported orthodoxy against iconoclasm and recalled Theodore of Studium from exile. He recognized (8...

John VIII, Byzantine emperor

(Encyclopedia)John VIII (John Palaeologus), 1390–1448, Byzantine emperor (1425–48), son and successor of Manuel II. When he acceded, the Byzantine Empire had been reduced by the Turks to the city of Constantino...

Henry, Alexander

(Encyclopedia)Henry, Alexander, two fur traders, uncle and nephew, of the Old Northwest, each of whom left a valuable journal of his travels and experiences. Alexander Henry, the elder, 1739–1824, b. New Brunswic...

John XII, pope

(Encyclopedia)John XII, c.937–964, pope (955–64), a Roman (count of Tusculum) named Octavian; successor of Agapetus II and predecessor of either Leo VIII or Benedict V. His father, Alberic, secured John's elect...

Wallace, Henry

(Encyclopedia)Wallace, Henry, 1836–1916, American agricultural leader, b. West Newton, Pa., grad. Jefferson (later Washington and Jefferson) College, 1859. He studied (1861–63) theology and went (1863) to Iowa ...

Bohun, Henry de, 1st earl of Hereford

(Encyclopedia)Bohun, Henry de, 1st earl of Hereford bo͞on, hĕˈrəfərd [key], 1176–1220, English nobleman. Although King John granted him the marcher lordship of Hereford in 1199, Henry was one of the barons w...

Pelham, Henry

(Encyclopedia)Pelham, Henry pĕlˈəm [key], 1696–1754, British statesman; brother of Thomas Pelham-Holles, duke of Newcastle. He entered Parliament in 1717 and served Sir Robert Walpole as secretary for war (172...

Geoffrey IV

(Encyclopedia)Geoffrey IV, known as Geoffrey Plantagenet plătăjˈənət [key] [O.Fr.,=sprig of broom; he usually wore a sprig in his helmet], 1113–51, count of Anjou (1129–51); son of Fulk, count of Anjou and...

Godfrey of Bouillon

(Encyclopedia)Godfrey of Bouillon bo͞oyôNˈ [key], c.1058–1100, Crusader, duke of Lower Lorraine. He fought for Holy Roman Emperor Henry IV against Pope Gregory VII and against Rudolf of Swabia and was rewarded...

Henry's law

(Encyclopedia)Henry's law, chemical law stating that the amount of a gas that dissolves in a liquid is proportional to the partial pressure of the gas over the liquid, provided no chemical reaction takes place betw...