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South Manchurian Railway

(Encyclopedia)South Manchurian Railway, Japanese-developed enterprise, with a trackage of 701 mi (1128 km). The line from Changchun to Lüshun (Port Arthur), originally belonging to the Russian-built Chinese Easter...

node

(Encyclopedia)node, in astronomy, point at which the orbit of a body crosses a reference plane. One reference plane that is often used is the plane of the earth's orbit around the sun (ecliptic). Since the moon's o...

West Florida Controversy

(Encyclopedia)West Florida Controversy, conflict between Spain and the United States concerning possession of Florida. By the Treaty of Paris of 1763, Britain received Florida from Spain, and from France that porti...

Vasa

(Encyclopedia)Vasa väˈzə [key], Pol. Waza, royal dynasty of Sweden (1523–1654) and Poland (1587–1668). Gustavus I, founder of the dynasty in Sweden, was succeeded by his sons Eric XIV (reigned 1560–68) and...

Albert Lea

(Encyclopedia)Albert Lea lē [key], city (2020 pop. 18,492), seat of Freeborn co., S Minn., near the Iowa line; inc. 1878. It is a manufacturing and marketing center in a dairy, livesto...

Fort Henry, in United States history

(Encyclopedia)Fort Henry, Confederate fortification on the Tennessee River, S of the Ky.-Tenn. line; site of the first major Union victory of the Civil War (Feb. 6, 1862). The fort was attacked and reduced by Union...

North Olmsted

(Encyclopedia)North Olmsted ŏmˈstĕd [key], city (1990 pop. 34,204), Cuyahoga co., NE Ohio, a suburb of Cleveland; inc. as a city 1951. It is mainly residential; the chief industry produces printed materials. The...

arc, in geometry

(Encyclopedia)arc, in geometry, a curved line or any part of it; in particular, a portion of the circumference of a circle. The length s of an arc of a circle of radius r and subtending a central angle of θ radian...

Weyburn

(Encyclopedia)Weyburn wāˈbərn [key], city (1991 pop. 9,673), SE Sask., Canada, SE of Regina. A trade center for a wheat-growing and oil-producing region, it has grain elevators and a feed mill. Power-line and tr...

Boise, river, United States

(Encyclopedia)Boise, river, c.160 mi (260 km) long, rising in SW Idaho and flowing west to join the Snake River at the Oregon line. In 1811 the Boise River, originally called Reed's River, was explored by an expedi...