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Pressburg, Treaty of

(Encyclopedia)Pressburg, Treaty of, 1805, peace treaty between Napoleon I of France and Holy Roman Emperor Francis II (also emperor of Austria), signed at Pressburg (now Bratislava, Slovakia). Defeated at Austerlit...

Pilgrimage of Grace

(Encyclopedia)Pilgrimage of Grace, 1536, rising of Roman Catholics in N England. It was a protest against the government's abolition of papal supremacy (1534) and confiscation (1536) of the smaller monastic propert...

Pillars of Hercules

(Encyclopedia)Pillars of Hercules, ancient mythological name for promontories flanking the east entrance to the Strait of Gibraltar. They are usually identified with Gibraltar in Europe and with Mt. Acha at Ceuta i...

Pisa, Council of

(Encyclopedia)Pisa, Council of, 1409, unrecognized council of the Roman Catholic Church. It was summoned to end the Great Schism (see Schism, Great) by members of the colleges of cardinals of the two rivals, Gregor...

Philip of Hesse

(Encyclopedia)Philip of Hesse hĕs [key], 1504–67, German nobleman, landgrave of Hesse (1509–67), champion of the Reformation. He is also called Philip the Magnanimous. Declared of age in 1518, he helped suppre...

Philip of Swabia

(Encyclopedia)Philip of Swabia swāˈbēə [key], 1176?–1208, German king (1198–1208), son of Holy Roman Emperor Frederick I. After the death (1197) of his brother, German King and Holy Roman Emperor Henry VI, ...

philosophy of science

(Encyclopedia)philosophy of science, branch of philosophy that emerged as an autonomous discipline in the 19th cent., especially through the work of Auguste Comte, J. S. Mill, and William Whewell. Several of the is...

principle of indeterminacy

(Encyclopedia)principle of indeterminacy: see uncertainty principle. ...

prisoner of war

(Encyclopedia)prisoner of war, in international law, person captured by a belligerent while fighting in the military. International law includes rules on the treatment of prisoners of war but extends protection onl...

privacy, right of

(Encyclopedia)privacy, right of, the right to be left alone without unwarranted intrusion by government, media, or other institutions or individuals. While a consensus supporting the right to privacy has emerged (a...