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An encyclopedia ( American English) or encyclopaedia ( British English) [1] is a reference work or compendium providing summaries of knowledge, either general or special, in a particular field or discipline.
Wikipedia is a free online encyclopedia, created and edited by volunteers around the world and hosted by the Wikimedia Foundation.
An encyclopedia, encyclopaedia or (traditionally) encyclopædia, is a comprehensive written compendium that contains information on all branches of knowledge or a particular branch of knowledge.
Encyclopaedia, reference work that contains information on all branches of knowledge or that treats a particular branch of knowledge in a comprehensive manner. For more than 2,000 years encyclopaedias have existed as summaries of extant scholarship in forms comprehensible to their readers.
Welcome to Wikipedia. , the free encyclopedia that anyone can edit. 6,834,156 articles in English. From today's featured article. Ronald Reagan (1911–2004) was an American politician and actor who served as the 40th president of the United States from 1981 to 1989.
The free online history encyclopedia with fact-checked articles, images, videos, maps, timelines and more; operated as a non-profit organization.
Encyclopaedia Britannica is the oldest English-language general encyclopedia. The Encyclopaedia Britannica was first published in 1768, when it began to appear in Edinburgh, and its first digital version debuted in 1981.
Wikipedia seeks to create a summary of all human knowledge in the form of an online encyclopedia, with each topic covered encyclopedically in one article. Since it has terabytes of disk space, it can have far more topics than can be covered by any printed encyclopedia.
