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Welcome to Wikidata



the free knowledge base with 56,119,343 data items that anyone can edit.



Introduction • Project Chat • Community Portal • Help





Want to help translate? Translate the missing messages.







  Welcome!

Wikidata is a free and open knowledge base that can be read and edited by both humans and machines.

Wikidata acts as central storage for the structured data of its Wikimedia sister projects including Wikipedia, Wikivoyage, Wiktionary, Wikisource, and others.


Wikidata also provides support to many other sites and services beyond just Wikimedia projects! The content of Wikidata is available under a free license, exported using standard formats, and can be interlinked to other open data sets on the linked data web.




  Get involved


Learn about Wikidata
  • What is Wikidata? Read the Wikidata introduction.

  • Explore Wikidata by looking at a featured showcase item for author Douglas Adams.

  • Get started with Wikidata's SPARQL query service.

Contribute to Wikidata


  • Learn to edit Wikidata: follow the tutorials.

  • Work with other volunteers on a subject that interests you: join a WikiProject.

  • Individuals and organisations can also donate data.

Meet the Wikidata community


  • Visit the community portal or attend a Wikidata event.

  • Create a user account.

  • Talk and ask questions on the Project chat or via live IRC chatconnect.

Use data from Wikidata


  • Learn how you can retrieve and use data from Wikidata.

More...




  News


  • 2019-04-07: The sixty-three millionth item, abouta protein, is created.

  • 2019-04-02: Wikidata records its 900,000,000 edit.

  • 2019-03-21: Link support with Wikimania has been added (The discussion)

  • 2019-03-15: Wikidata records its 883,173,631 edit, overtaking the English Wikipedia to become the most edited Wikimedia website.

  • 2019-03-08: The sixty-two millionth item, about the ciliate species Dysteria derouxi, is created.

More news... (edit [in English])








  Learn about data

New to the wonderful world of data? Develop and improve your data literacy through content designed to get you up to speed and feeling comfortable with the fundamentals in no time.




  Current highlights


The Event Horizon Telescope and Global mm-VLBI Array on the Earth.jpg

  • Event Horizon Telescope (Q3944788) (pictured)

  • Axion Esti (Q63078224)

  • Q18672398

  • Katie Bouman (Q63080922)

  • Homo luzonensis (Q5021780)

  • Nikolai Gorbachev (Q4143603)


  • Vasyl Shuptar (Q23668326)





  Discover

Innovative applications and contributions from the Wikidata community

Featured WikiProject:
WikiProject Names.


Juliet - Philip H. Calderon.jpg

"What's in a name?" asked Shakespeare's Juliet.

The answer: a lot of rich data in need of structure and new properties. But thanks to growing user contributions and the work of a new WikiProject, Wikidata is getting better at supporting name-related data—and can tell you that Juliet also goes by Julika, and Giulia, and Hülya, and Liana, and Uljana...


More:


  • Check out Wikidata:Tools for some of our best tools and gadgets for using and exploring Wikidata.

  • Browse our press clippings and collection of published research about Wikidata


Know of an interesting project or research conducted using Wikidata? You can nominate content to be featured on the Main page here!




  Contact




  • Wikidata mailing list

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  • Leave a message at project chat


  • Chat on Telegram or on IRCconnect

  • Contact the developers

  • Wikidata Community User Group

  • Keep up-to-date: Weekly summaries








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 Wikipedia – Encyclopedia   
 Wiktionary – Dictionary and thesaurus   
 Wikibooks – Textbooks, manuals, and cookbooks   
 Wikinews – News   
 Wikiquote – Collection of quotations   
 Wikisource – Library   
 Wikiversity – Learning materials and activities   
 Wikivoyage – Travel guides   
Wikispecies – Directory of species   
 Wikimedia Commons – Media repository   
 Incubator – New language versions   
 Meta-Wiki – Wikimedia project coordination   
 MediaWiki – Software documentation   











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