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Peter II, king of Portugal

(Encyclopedia)Peter II, 1648–1706, king of Portugal (1683–1706), younger son of John IV; brother and successor of Alfonso VI. In 1667, he seized power from his incompetent brother and ruled the country as princ...

Peter III, king of Portugal

(Encyclopedia)Peter III, 1717–86, king of Portugal (1777–86), younger brother of Joseph. He married his niece Maria I and was joint ruler with her, though she generally was the dominant figure. ...

Peter V, king of Portugal

(Encyclopedia)Peter V, 1837–61, king of Portugal (1853–61), eldest son and successor of Maria II. Ascending the throne on the death of his mother, he ruled under the regency of his father, Ferdinand II, until 1...

Peter I, king of Serbia

(Encyclopedia)Peter I, 1844–1921, king of Serbia (1903–18) and king of the Serbs, Croats, and Slovenes (1918–21), son of Prince Alexander of Serbia (Alexander Karadjordjević). He was brought up in exile in G...

Peter II, king of Yugoslovia

(Encyclopedia)Peter II, 1923–70, king of Yugoslavia (1934–45). He succeeded under the regency of his cousin, Prince Paul, when his father, King Alexander, was assassinated in Marseilles. In World War II, when P...

aquaculture

(Encyclopedia)aquaculture, the raising and harvesting of fresh- and saltwater plants and animals. The most economically important form of aquaculture is fish farming, an industry that accounts for an ever increasin...

surface tension

(Encyclopedia)surface tension, tendency of liquids to reduce their exposed surface to the smallest possible area. A drop of water, for example, tends to assume the shape of a sphere. The phenomenon is attributed to...

Peter, epistles of the New Testament

(Encyclopedia)Peter, two letters of the New Testament, classified among the Catholic (or General) Epistles. Each opens with a statement of authorship by the apostle St. Peter. First Peter, the longer book, is addre...

Lefort, François

(Encyclopedia)Lefort, François fräNswäˈ ləfôrˈ [key], 1656–99, Swiss soldier of fortune in Russian service, b. Geneva. He was one of the early boon companions of Peter I (Peter the Great) and remained Pete...

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