Wikipedia is a free online encyclopedia, created and edited by volunteers around the world and hosted by the Wikimedia Foundation.

2025年12月7日 · Wikipedia is a free Internet-based encyclopedia, started in 2001, that operates under an open-source management style.

Look up // in Wiktionary, the free dictionary.The two slashes // may indicate: a comment marker in several programming languages including C, C++, JavaScript and Java the root directory path …

Wikipedia is a free content online encyclopedia website in 344 languages of the world in which 342 languages are currently active and 14 are closed. It is written and maintained by a …

The United Kingdom of Great Britain and Northern Ireland, commonly known as the United Kingdom (UK) or Britain, [m] is a country in Northwestern Europe, off the coast of the …

2025年11月5日 · Wikimedia Commons is part of the non-profit, multilingual, free-content Wikimedia family.

Welcome! The Wikimedia movement is a global community of people, projects, and activities working together to create and share knowledge freely. Join us in making all knowledge …

The Simple English Wikipedia[2] is a Simple English language or Learning English version of Wikipedia, an online encyclopedia, written in a language that is easy to understand, but is still …

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We support protect fund openhuman knowledge We are the nonprofit that hosts Wikipedia. We support the people, technology, and policies that enable reliable information to be shared with …