Polish names have two main elements: the given name, and the surname.The usage of personal names in Poland is generally governed by civil law, church law, personal taste and family custom.. The law requires a given name to indicate the person's gender. Almost all Polish female names end in a vowel -a, and most male names end in a consonant or a vowel other than a.

Dacian / ˈ d eɪ ʃ ə n / is an extinct language, generally believed to be Indo-European, that was spoken in the Carpathian region in antiquity. In the 1st century, it was probably the predominant language of the ancient regions of Dacia and Moesia and possibly of some surrounding regions. The language was extinct by the 4th century AD. While there is general agreement among …

Calculus, originally called infinitesimal calculus or "the calculus of infinitesimals", is the mathematical study of continuous change, in the same way that geometry is the study of shape, and algebra is the study of generalizations of arithmetic operations.. It has two major branches, differential calculus and integral calculus; the former concerns instantaneous rates of change, …

Jewish surnames are family names used by Jews and those of Jewish origin. Jewish surnames are thought to be of comparatively recent origin; the first known Jewish family names date to the Middle Ages, in the 10th and 11th centuries CE. Jews have some of the largest varieties of surnames among any ethnic group, owing to the geographically diverse Jewish diaspora, as …

Several theories address the issue of the origin of the Romanians.The Romanian language descends from the Vulgar Latin dialects spoken in the Roman provinces north of the "Jireček Line" (a proposed notional line separating the predominantly Latin-speaking territories from the Greek-speaking lands in Southeastern Europe) in Late Antiquity.The theory of Daco-Roman …

Astronomy (from Ancient Greek ἀστρονομία (astronomía) 'science that studies the laws of the stars') is a natural science that studies celestial objects and phenomena. It uses mathematics, physics, and chemistry in order to explain their origin and evolution.Objects of interest include planets, moons, stars, nebulae, galaxies, and comets. ...

The origin of the Basques and the Basque language is a controversial topic that has given rise to numerous hypotheses. Modern Basque, a descendant or close relative of Aquitanian and Proto-Basque, is the only Pre-Indo-European language that is extant in western Europe. The Basques have therefore long been supposed to be a remnant of a pre-Indo-European …

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The following is a list of adjectival and demonymic forms of countries and nations in English and their demonymic equivalents.A country adjective describes something as being from that country, for example, "Italian cuisine" is "cuisine of Italy".A country demonym denotes the people or the inhabitants of or from there, for example, "Germans" are people of or from Germany.

Earth is the third planet from the Sun and the only astronomical object known to harbor life.While large volumes of water can be found throughout the Solar System, only Earth sustains liquid surface water.About 71% of Earth's surface is made up of the ocean, dwarfing Earth's polar ice, lakes, and rivers.The remaining 29% of Earth's surface is land, consisting of continents and …