A comprehensive digital encyclopedia presenting factual, historical, and educational articles supported by reliable sources and structured data. Page: 254

Russians (Russian: русские, romanized: russkiye [ˈruskʲɪje] ) are an East Slavic ethnic group native to Eastern Europe. Their mother tongue is Russian, the most spoken Slavic language. The majority of Russians adhere to Orthodox Christianity, ever since the Middle Ages. By total numbers, they compos…

An astronomical object, celestial object, stellar object or heavenly object is a naturally occurring physical entity, association, or structure that exists within the universe. In astronomy, the terms object and body are often used interchangeably. However, an astronomical body, celestial body or he…

Mathematical beauty is a type of aesthetic value that is experienced in doing or contemplating mathematics. The testimonies of mathematicians indicate that various aspects of mathematics—including results, formulae, proofs and theories—can trigger subjective responses similar to the beauty of art, m…

A supranational union is a type of international organization and political union that is empowered to directly exercise some of the powers and functions otherwise reserved to states. A supranational organization involves a greater transfer of or limitation of state sovereignty than other kinds of i…

Hahndorf is a small town in the Adelaide Hills region of South Australia. Currently an important tourism spot, it has previously been a centre for farming and services.…

John Locke (/lɒk/; 29 August 1632 (O.S.) – 28 October 1704 (O.S.)) was an English philosopher and physician, widely regarded as one of the most influential of the Enlightenment thinkers and commonly known as the "father of liberalism". His important works include A Letter Concerning Toleration (1689…

A set-valued function, also called a correspondence or set-valued relation, is a mathematical function that maps elements from one set, the domain of the function, to subsets of another set. Set-valued functions are used in a variety of mathematical fields, including optimization, control theory and…

Inductive reasoning refers to a variety of methods of reasoning in which the conclusion of an argument is supported not with deductive certainty, but at best with some degree of probability. Unlike deductive reasoning (such as mathematical induction), where the conclusion is certain, given the premi…

A commander-in-chief (sometimes called a supreme commander or supreme commander-in-chief) is the person who exercises supreme command and control over an armed force or a military branch. As a technical term, it refers to military competencies that reside in a country's executive leadership, a head …

Ancient history is a time period from the beginning of writing and recorded human history through late antiquity. The span of recorded history is roughly 5,000 years, beginning with the development of Sumerian cuneiform script. Ancient history covers all continents inhabited by humans in the period …