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Rome, city, Italy

(Encyclopedia)CE5 Roman Empire (a.d. 117) CE5 Rome, Ital. Roma, city (1991 pop. 2,775,250), capital of Italy and see of the pope, whose residence, Vatican City, is a sovereign state within the city of Rome. R...

Byzantine Empire

(Encyclopedia)CE5 CE5 Byzantine Empire (c.1000) Byzantine Empire, successor state to the Roman Empire (see under Rome), also called Eastern Empire and East Roman Empire. It was named after Byzantium, which Emp...

church and state

(Encyclopedia)church and state, the relationship between the religion or religions of a nation and the civil government of that nation, especially the relationship between the Christian church and various civil gov...

Wales

(Encyclopedia)Wales, Welsh Cymru, western peninsula and political division (principality) of Great Britain (2011 pop. 3,063,456), 8,016 sq mi (20,761 sq km), west of England; politically united with England since 1...

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. ...

English art and architecture

(Encyclopedia)English art and architecture, the distinctive national art and architecture that art may be said to have evolved in the 12th cent. with the Norman style. Building before that time was in what is commo...

Washington, George

(Encyclopedia)Washington, George, 1732–99, 1st President of the United States (1789–97), commander in chief of the Continental army in the American Revolution, called the Father of His Country. The Univ. of V...

Text of the Constitution of the United States

(Encyclopedia)Text1 of the Constitution of the United States Preamble Article I Article II Article III Article IV Article V Article VI Article VII Amendment I Amendment II Am...

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 ...