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Rulers of the Byzantine Empire (table)

(Encyclopedia)Rulers of the Byzantine Empire ...

Antony

(Encyclopedia)Antony or Marc Antony, Lat. Marcus Antonius, c.83 b.c.–30 b.c., Roman politican and soldier. He was of a distinguished family; his mother was a relative of Julius Caesar. Antony was notorious from h...

Ferber, Herbert

(Encyclopedia)Ferber, Herbert, 1906–91, American sculptor, b. New York City, grad. Columbia (D.D.S., 1930). His original name was Herbert Ferber Silvers. Turning from early massive figures in wood and stone, he d...

Babenberg

(Encyclopedia)Babenberg bäˈbənbĕrk [key], ruling house of Austria (976–1246). It possibly descended from, or succeeded, a powerful Franconian family of the 9th cent. from whose castle the city of Bamberg prob...

Valera, Diego de

(Encyclopedia)Valera, Diego de dyāˈgō dā välāˈrä [key], 1412?–1488?, Spanish adventurer and writer. Reared at the Castilian court, he was page to John II and later became one of his diplomatic agents. He ...

Peter of Blois

(Encyclopedia)Peter of Blois blwä [key], 1135?–1203?, French writer. He was educated in law and theology. From 1167 to 1169 he was tutor to King William II of Sicily. He went (c.1173) to England, where he served...

superfluidity

(Encyclopedia)superfluidity, tendency of liquid helium below a temperature of 2.19K to flow freely, even upward, with little apparent friction. Helium becomes a liquid when it is cooled to 4.2K. Special methods...

Rulers of England and Great Britain (table)

(Encyclopedia)Rulers of England and Great Britain(including dates of reign) Saxons and Danes House of Normandy House of Blois House of Plantagenet House of Lancaster House of York House of Tudor Ho...

Geoffrey

(Encyclopedia)Geoffrey jĕfˈrē [key], 1158–86, duke of Brittany (1171–86); fourth son of Henry II of England. Betrothed (1166) to Constance, heiress of Brittany, he was recognized as heir to the duchy in 1169...

explosive

(Encyclopedia)explosive, substance that undergoes decomposition or combustion with great rapidity, evolving much heat and producing a large volume of gas. The reaction products fill a much greater volume than that ...