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Pennsylvania, University of

(Encyclopedia)Pennsylvania, University of, in Philadelphia; private with some state support; coeducational. It dates to 1740 and plans for a charity school, and the first predecessor opened in 1751 as an academy, l...

Troppau, Congress of

(Encyclopedia)Troppau, Congress of trôpˈou [key], 1820, international conference convened at the behest of Czar Alexander I of Russia under the provisions of the Quadruple Alliance. The congress, which met at Tro...

Jutland, battle of

(Encyclopedia)Jutland, battle of, only major engagement between the British and German fleets in World War I. They met c.60 mi (100 km) west of the coast of Jutland. On May 31, 1916, a British squadron under Admira...

Jefferson, Territory of

(Encyclopedia)Jefferson, Territory of, in U.S. history, region that roughly encompassed the present-day state of Colorado, although extending 2° farther south and 1° farther north, organized by its inhabitants (1...

Isidore of Seville, Saint

(Encyclopedia)Isidore of Seville, Saint ĭzˈədôrˌ [key], c.560–636, Spanish churchman and encyclopedist, bishop of Seville, Doctor of the Church. Born of a noble Hispano-Roman family from Cartagena, he spent ...

Bernardine of Siena, Saint

(Encyclopedia)Bernardine of Siena, Saint bûrˈnərdĭn, sēĕnˈə [key], 1380–1444, Italian preacher. He was a Franciscan of the Observant congregation and one of the most effective and most widely known preach...

Trent, Council of

(Encyclopedia)Trent, Council of, 1545–47, 1551–52, 1562–63, 19th ecumenical council of the Roman Catholic Church, convoked to meet the crisis of the Protestant Reformation. Earlier efforts at reforming the ch...

Antiope

(Encyclopedia)Antiope ăntīˈəpē [key], in Greek mythology. 1 Theban princess, daughter of Nycteus. She was seduced by Zeus and bore him twin sons, Zethus and Amphion. Fleeing to Sicyon to escape the wrath of he...

Battle of Britain

(Encyclopedia)Battle of Britain, in World War II, series of air battles between Great Britain and Germany, fought over Britain from Aug. to Oct., 1940. As a prelude to a planned invasion of England, the German Luft...

lake, body of water

(Encyclopedia)lake, inland body of standing water occupying a hollow in the earth's surface. The study of lakes and other freshwater basins is known as limnology. Lakes are of particular importance since they act a...