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John of Gaunt

(Encyclopedia)John of Gaunt [Mid. Eng. Gaunt=Ghent, his birthplace], 1340–99, duke of Lancaster; fourth son of Edward III of England. He married (1359) Blanche, heiress of Lancaster, and through her became earl (...

Thomas of Erceldoune

(Encyclopedia)Thomas of Erceldoune ûrˈsəldo͞onˌ [key], fl. 1220?–1297?, Scottish seer and poet, also known as Thomas the Rhymer and Thomas Learmont. Evidence of his existence is founded on the mention of his...

League of Nations

(Encyclopedia)League of Nations, former international organization, established by the peace treaties that ended World War I. Like its successor, the United Nations, its purpose was the promotion of international p...

Vienna, Congress of

(Encyclopedia)Vienna, Congress of, Sept., 1814–June, 1815, one of the most important international conferences in European history, called to remake Europe after the downfall of Napoleon I. Although the territo...

Charles of Blois

(Encyclopedia)Charles of Blois (Charles of Châtillon) blwä, shätēyôNˈ [key], c.1319–1364, duke of Brittany; nephew of Philip VI of France. He was one of the chief participants in the War of the Breton Succe...

Maurice of Nassau

(Encyclopedia)Maurice of Nassau năsˈô [key], 1567–1625, prince of Orange (1618–25); son of William the Silent by Anne of Saxony. He became stadtholder of Holland and Zeeland after the assassination (1584) of...

balance of trade

(Encyclopedia)balance of trade, relation between the merchandise exports and imports of a country. The concept first became important in the 16th and 17th cent. with the growth of mercantilism. Mercantilist theoris...

heat of combustion

(Encyclopedia)heat of combustion, heat released during combustion. In particular, it is the amount of heat released when a given amount (usually 1 mole) of a combustible pure substance is burned to form incombustib...

book of hours

(Encyclopedia)book of hours, form of prayer book developed in the 14th cent. from the prayers of clerics appended to the main service. The subjects of the miniature illustrations (see miniature painting) were frequ...

Religion, Wars of

(Encyclopedia)Religion, Wars of, 1562–98, series of civil wars in France, also known as the Huguenot Wars. The immediate issue was the French Protestants' struggle for freedom of worship and the right of establis...