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The World’s #1 Online Encyclopedia. Search over 200 individual encyclopedias and reference books from the worlds most trusted publishers. Read more about our content and why so many people love it.
Explore the fact-checked online encyclopedia from Encyclopaedia Britannica with hundreds of thousands of objective articles, biographies, videos, and images from experts.
Wikipedia is a free online encyclopedia, created and edited by volunteers around the world and hosted by the Wikimedia Foundation.
The largest online encyclopedias are general reference works, though there are also many specialized ones. Some online encyclopedias are editions of a print encyclopedia, such as Encyclopædia Britannica, whereas others have always existed online, such as Wikipedia .
The free online history encyclopedia with fact-checked articles, images, videos, maps, timelines and more; operated as a non-profit organization.
Wikipedia [c] is a free content online encyclopedia written and maintained by a community of volunteers, known as Wikipedians, through open collaboration and the wiki software MediaWiki.
An encyclopedia, encyclopaedia or (traditionally) encyclopædia, [1] is a comprehensive written compendium that contains information on all branches of knowledge or a particular branch of knowledge.
Welcome to Wikipedia. , the free encyclopedia that anyone can edit. 6,857,728 articles in English. From today's featured article. 2014 Aston Martin DB9. The Aston Martin DB9 is a two-door grand touring car produced by the British carmaker Aston Martin from 2004 until its discontinuation on 27 July 2016.
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. In 1994 Britannica released the first Internet-based encyclopedia, and Britannica.com was launched in 1999.
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.
