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English is a West Germanic language in the Indo-European language family, whose speakers, called Anglophones, originated in early medieval England.[4][5][6] The namesake of the language is the Angles, one of the ancient Germanic peoples that migrated to the island of Great Britain. English is the most spoken language in the world, primarily ...
Wikipedia[note 3] is a free content online encyclopedia written and maintained by a community of volunteers, known as Wikipedians, through open collaboration and the use of the wiki-based editing system MediaWiki. Wikipedia is the largest and most-read reference work in history.[3][4] It is consistently ranked as one of the ten most popular ...
Sweden,[f] formally the Kingdom of Sweden,[g][h] is a Nordic country located on the Scandinavian Peninsula in Northern Europe. At 450,295 square kilometres (173,860 sq mi),[10] Sweden is the largest Nordic country and the fifth-largest country in Europe. The capital and largest city is Stockholm. Sweden has a population of 10.5 million,[6] and ...
Editing display showing MediaWiki markup language. A wiki ( / ˈwɪki / ⓘ WI-kee) is a form of online hypertext publication that is collaboratively edited and managed by its own audience directly through a web browser. A typical wiki contains multiple pages that can either be edited by the public or limited to use within an organization for ...
The 205 listed states can be divided into three categories based on membership within the United Nations System: 193 UN member states, [1] 2 UN General Assembly non-member observer states, and 10 other states. The sovereignty dispute column indicates states having undisputed sovereignty (188 states, of which there are 187 UN member states and 1 ...
ISO 3166-1 ( Codes for the representation of names of countries and their subdivisions – Part 1: Country codes) is a standard defining codes for the names of countries, dependent territories, and special areas of geographical interest. It is the first part of the ISO 3166 standard published by the International Organization for Standardization .
The number π (/paɪ/; spelled out as "pi") is a mathematical constant that is the ratio of a circle's circumference to its diameter, approximately equal to 3.14159. The number π appears in many formulae across mathematics and physics. It is an irrational number, meaning that it cannot be expressed exactly as a ratio of two integers, although ...
