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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...

mathematics

(Encyclopedia)mathematics, deductive study of numbers, geometry, and various abstract constructs, or structures; the latter often “abstract” the features common to several models derived from the empirical, or ...

Greece

(Encyclopedia)CE5 Greece, Gr. Hellas or Ellas, officially Hellenic Republic, republic (2015 est. pop. 11,218,000), 50,944 sq mi (131,945 sq km), SE Europe. It occupies the southernmost part of the Balkan Peninsu...

Napoleon I

(Encyclopedia)CE5 Napoleonic Europe (1812) Napoleon I nəpōˈlēən, Fr. näpôlāōNˈ [key], 1769–1821, emperor of the French, b. Ajaccio, Corsica, known as “the Little Corporal.” The Napoleonic...

Reformation

(Encyclopedia)Reformation, religious revolution that took place in Western Europe in the 16th cent. It arose from objections to doctrines and practices in the medieval church (see Roman Catholic Church) and ultimat...

Shakespeare, William

(Encyclopedia)CE5 Shakespeare, William, 1564–1616, English dramatist and poet, b. Stratford-upon-Avon. He is widely considered the greatest playwright who ever lived. For about 150 years after his death ...

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...

papacy

(Encyclopedia)CE5 papacy pāˈpəsē [key], office of the pope, head of the Roman Catholic Church. He is pope by reason of being bishop of Rome and thus, according to Roman Catholic belief, successor in the see ...

Great Britain

(Encyclopedia)CE5 CE5 CE5 Great Britain, officially United Kingdom of Great Britain and Northern Ireland, constitutional monarchy (2015 est. pop. 65,397,000), ...

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