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Fizeau, Armand Hippolyte Louis

(Encyclopedia)Fizeau, Armand Hippolyte Louis ärmäNˈ ēpôlētˈ lwē fēzōˈ [key], 1819–96, French physicist. The first to measure (1849) the velocity of light in air, he also determined its speed in water. ...

King Arthur

(Encyclopedia)King Arthur: see Arthurian legend. ...

Alfonso IV, king of Portugal

(Encyclopedia)Alfonso IV, 1291–1357, king of Portugal (1325–57), son and successor of Diniz. Disgruntled by the favoritism his father showed toward Alfonso's illegitimate half-brothers, Alfonso rose in revolt i...

Vienne, department, France

(Encyclopedia)Vienne vyĕn [key], department (1990 pop. 380,900), W central France, in Poitou. Poitiers is the capital. ...

Cher, department, France

(Encyclopedia)Cher shĕr [key], department, central France, in Berry. Chief cities are Vierzon and Bour...

Marne, department, France

(Encyclopedia)Marne märn [key], department (1990 pop. 559,600), NE France, in Champagne. Châlons-en-Champagne is the capital. ...

Ain, department, France

(Encyclopedia)Ain ăN [key], department, E central France, in Burgundy, bordering on Switzerland. Bourg-en-Bresse is the capital. ...

Constantine I, king of Greece

(Encyclopedia)Constantine I, 1868–1923, king of the Hellenes, eldest son of George I, whom he succeeded in 1913. Married to Sophia, sister of the German emperor William II, he opposed the pro-Allied policy of the...

Valence, city, France

(Encyclopedia)Valence väläNsˈ [key], city (1990 pop. 65,026), capital of Drôme dept., SE France, in Dauphiné, on the Rhône River. Its many manufactures include metallurgical products, textiles, leather goods,...

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