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Prussia

(Encyclopedia)Prussia prŭshˈə [key], Ger. Preussen, former state, the largest and most important of the German states. Berlin was the capital. The chief member of the German Empire (1871–1918) and a state of t...

astronomy

(Encyclopedia)astronomy, branch of science that studies the motions and natures of celestial bodies, such as planets, stars, and galaxies; more generally, the study of matter and energy in the universe at large. ...

modern art

(Encyclopedia)modern art, art created from the 19th cent. to the mid-20th cent. by artists who veered away from the traditional concepts and techniques of painting, sculpture, and other fine arts that had been prac...

Democratic party

(Encyclopedia)Democratic party, American political party; the oldest continuous political party in the United States. In 1960, John F. Kennedy narrowly defeated the Republican candidate, Richard M. Nixon, in the ...

Madagascar

(Encyclopedia)CE5 Madagascar mădˌəgăsˈcär [key], officially Republic of Madagascar, republic (2015 est. pop. 24,234,000), 226,658 sq mi (587,045 sq km), in the Indian Ocean, separated from E Africa by the ...

novel

(Encyclopedia)novel, in modern literary usage, a sustained work of prose fiction a volume or more in length. It is distinguished from the short story and the fictional sketch, which are necessarily brief. Although ...

physics

(Encyclopedia)physics, branch of science traditionally defined as the study of matter, energy, and the relation between them; it was called natural philosophy until the late 19th cent. and is still known by this na...

vitamin

(Encyclopedia)vitamin, group of organic substances that are required in the diet of humans and animals for normal growth, maintenance of life, and normal reproduction. Vitamins act as catalysts; very often either t...

Crusades

(Encyclopedia)CE5 Crusader States (c.1140) Crusades kro͞oˈsādz [key], series of wars undertaken by European Christians between the 11th and 14th cent. to recover the Holy Land from the Muslims. After...

World War II

(Encyclopedia)World War II, 1939–45, worldwide conflict involving every major power in the world. The two sides were generally known as the Allies and the Axis. Although hostilities came to an end in Sept...