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Montfort, Simon de, earl of Leicester

(Encyclopedia)Montfort, Simon de, earl of Leicester, 1208?–1265, leader of the baronial revolt against Henry III of England. By 1258 Simon was an active member of the baronial opposition that forced the king to...

Piast

(Encyclopedia)Piast pyäst [key], 1st dynasty of Polish dukes and kings. Its name was derived from that of its legendary ancestor, a simple peasant. The first historic member, Duke Mieszko I (reigned 962–92), beg...

Diane de France

(Encyclopedia)Diane de France dyän də fräNs [key], 1538–1619, duchess of Angoulême; illegitimate daughter of King Henry II of France. She was legitimized in 1547. She was married to François, eldest son of C...

Écija

(Encyclopedia)Écija āˈthēhä [key], city, Seville prov., S Spain, in Andalusia, on a hill overlooking t...

Ducas

(Encyclopedia)Ducas dyo͞oˈkəs [key], Greek family and dynasty of Constantinople. Some of its members were Byzantine emperors—Constantine X, Michael VII, Alexius V, and John III. ...

Alexander I, king of Scotland

(Encyclopedia)Alexander I, 1078?–1124, king of Scotland (1107–24), son of Malcolm III and St. Margaret of Scotland. He succeeded his brother Edgar, who had divided the kingdom so that Alexander ruled only N of ...

Albemarle, Arnold Joost van Keppel, 1st earl of

(Encyclopedia)Albemarle, Arnold Joost van Keppel, 1st earl of ălˈbəmärl [key], 1669–1718, Dutch adherent and constant companion of William III of England. He accompanied the future king to England (1688) and ...

Amenemhet IV

(Encyclopedia)Amenemhet IV äˌmĕnĕmˈhĕt, āˌ– [key], d. 1792 b.c., king of ancient Egypt, of the XII dynasty; the son and successor of Amenemhet III. Under Amenemhet IV, the power of the dynasty declined, a...

ferric sulfate

(Encyclopedia)ferric sulfate or iron (III) sulfate, chemical compound, Fe2(SO4)3, a yellow rhombic crystalline hygroscopic water-soluble salt that decomposes when heated to a temperature of 480℃. The enneahydrate...

Fould, Achille

(Encyclopedia)Fould, Achille äshēlˈ fo͞old [key], 1800–1867, French financier and politician. Fould gave financial backing to Louis Napoleon (later Emperor Napoleon III), whom he served four times as minister...