(Encyclopedia) War of 1812, armed conflict between the United States and Great Britain, 1812–15. It followed a period of great stress between the two nations as a result of the treatment of neutral…
(Encyclopedia) George of PodebradGeorge of Podebradpôdˈyĕbrät [key], 1420–71, king of Bohemia (1458–71). A Bohemian nobleman, he became leader of the Utraquists, or the moderate Hussites, in the wars…
(Encyclopedia) states of matter, forms of matter differing in several properties because of differences in the motions and forces of the molecules (or atoms, ions, or elementary particles) of which…
(Encyclopedia) Basel, Council of, 1431–49, first part of the 17th ecumenical council in the Roman Catholic Church. It is generally considered to have been ecumenical until it fell into heresy in 1437…
(Encyclopedia) Isidorus of MiletusIsidorus of Miletusĭzĭdôrˈəs, mīlēˈtəs [key], name of two architects of the time of Justinian. The elder was associated with Anthemius of Tralles in rebuilding Hagia…
(Encyclopedia) Tropic of Cancer, parallel of latitude at 23°30′ north of the equator; it is the northern boundary of the tropics. This parallel marks the farthest point north at which the sun can be…
(Encyclopedia) Blenheim, battle of, major engagement of the War of the Spanish Succession (see Spanish Succession, War of the), fought on Aug. 13, 1704, at the village of Blenheim (Blindheim), near…
(Encyclopedia) Troppau, Congress ofTroppau, Congress oftrôpˈou [key], 1820, international conference convened at the behest of Czar Alexander I of Russia under the provisions of the Quadruple…
(Encyclopedia) transmutation of elements, conversion of one chemical element into another. The expression has both historical and contemporary significance. The transmutation of certain metals into…
(Encyclopedia) Aqaba, Gulf of, northeastern arm of the Red Sea, 118 mi (190 km) long and 10 to 15 mi (16.1 to 24.1 km) wide, between the Sinai and Arabian peninsulas; a part of the Great Rift Valley…
