Wikipedia là dự án bách khoa toàn thư mở, đa ngôn ngữ mà mọi người đều có thể tham gia đóng góp. Mục tiêu của Wikipedia là xây dựng một bách khoa toàn thư hoàn chỉnh, chính xác và trung lập. Sự phát triển của Wikipedia tiếng Việt phụ thuộc vào sự tham gia của bạn.

Wikipedia (/ ˌ w ɪ k ɪ ˈ p iː d i ə / wik-ih-PEE-dee-ə or / ˌ w ɪ k i-/ wik-ee-) is a free content, multilingual online encyclopedia written and maintained by a community of volunteers through a model of open collaboration, using a wiki-based editing system.Individual contributors, also called editors, are known as Wikipedians.It is the largest and most-read reference work in history.

Wikipedia is owned by an American organization, the Wikimedia Foundation, which is in San Francisco, California. Wikipedia's name is a portmanteau of two words, wiki and encyclopedia. Wikipedia was started on January 10, 2001, by Abhinav Kumar and his team as part of an earlier online encyclopedia named Nupedia.

Wikipedia is a place to learn, not a place for advertising. This app is made by the Wikimedia Foundation, a nonprofit organization that supports and operates Wikipedia. We provide this service in the pursuit of open knowledge that’s always ad-free and never tracks your data.

Wikipédia est un projet d’encyclopédie collective en ligne, universelle, multilingue et fonctionnant sur le principe du wiki. Ce projet vise à offrir un contenu librement réutilisable, objectif et vérifiable, que chacun peut modifier et améliorer. Wikipédia …

Wikimedia is a global movement whose mission is to bring free educational content to the world. Through various projects, chapters, and the support structure of the non-profit Wikimedia Foundation, Wikimedia strives to bring about a world in which every single human being can freely share in the sum of all knowledge.