(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…
(Encyclopedia) Leeds, University of, at Leeds, England; established 1884 by the amalgamation of Yorkshire College (1874) with the Leeds School of Medicine (1831). The school was known as Yorkshire…
(Encyclopedia) Kulikovo, battle ofKulikovo, battle ofk&oomacr;lyĭkôˈvə [key], 1380, victory of Grand Duke Dmitri Donskoi of Moscow over Khan Mamai of the Golden Horde. The battle was fought on a…
(Encyclopedia) Aristarchus of SamosAristarchus of Samosărˌĭstärˈkəs, [key]Aristarchus of Samosărˌĭstärˈkəs, sāˈmŏs [key], fl. c.310 b.c.–c.230 b.c., Greek astronomer and mathematician of the…
(Encyclopedia) Aristarchus of SamothraceAristarchus of Samothraceărˌĭstärˈkəs, [key]Amram ben Scheschnasămˈəthrās [key], c.217–c.145 b.c., Greek scholar, successor to his teacher, Aristophanes of…
(Encyclopedia) Lancaster, house ofLancaster, house oflăngˈkəstər [key], royal family of England. The line was founded by the second son of Henry III, Edmund Crouchback, 1245–96, who was created earl…
(Encyclopedia) Aristophanes of ByzantiumAristophanes of Byzantiumărˌĭstŏfˈənēz, [key]Aristophanes of Byzantiumbĭzănˈshēəm, –tēəm [key], c.257–180 b.c., Greek scholar. He was librarian at Alexandria…
(Encyclopedia) Aristoxenus of TarentumAristoxenus of Tarentumărĭstŏkˈsənəs, tərĕnˈtəm [key], fl. 4th cent. b.c., pupil of Aristotle. He marks a turning point in Greek musical theory by being the…
(Encyclopedia) Mexico, Gulf of, arm of the Atlantic Ocean, c.700,000 sq mi (1,813,000 sq km), SE North America. The Gulf stretches more than 1,100 mi (1,770 km) from west to east and c.800 mi (1,290…