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Frederick II, Holy Roman emperor and German king

(Encyclopedia)Frederick II, 1194–1250, Holy Roman emperor (1220–50) and German king (1212–20), king of Sicily (1197–1250), and king of Jerusalem (1229–50), son of Holy Roman Emperor Henry VI and of Consta...

Lutheranism

(Encyclopedia)Lutheranism, branch of Protestantism that arose as a result of the Reformation, whose religious faith is based on the principles of Martin Luther, although he opposed such a designation. When Luther r...

Holy Roman Empire

(Encyclopedia)CE5 Holy Roman Empire (c.1100) CE5 Holy Roman Empire, designation for the political entity that originated at the coronation as emperor (962) of the German king Otto I and endured until the renu...

Hungary

(Encyclopedia)CE5 Hungary, Hung. Magyarország, republic (2015 est. pop. 9,784,000), 35,919 sq mi (93,030 sq km), central Europe. Hungary borders on Slovakia in the north, on Ukraine in the northeast, on Romania...

secret police

(Encyclopedia)secret police, policing organization operating in secrecy for the political purposes of its government, often with terroristic procedures. Many states, including Chile, Iran, Iraq, Israel, Romania,...

classification

(Encyclopedia)CE5 classification, in biology, the systematic categorization of organisms into a coherent scheme. The original purpose of biological classification, or systematics, was to organize the vast number...

archaeology

(Encyclopedia)archaeology ärkēŏlˈəjē [key] [Gr.,=study of beginnings], a branch of anthropology that seeks to document and explain continuity and change and similarities and differences among human cultures. ...

psychology

(Encyclopedia)psychology, science or study of the thought processes and behavior of humans and other animals in their interaction with the environment. Psychologists study processes of sense perception, thinking, l...

Protestantism

(Encyclopedia)Protestantism, form of Christian faith and practice that originated with the principles of the Reformation. The term is derived from the Protestatio delivered by a minority of delegates against the (1...

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