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en-N This user has a native understanding of English.
Astro constel task force.svg This user is a member of the WikiProject Astronomy.
Users by language

This guy.


Useful calendar test cases[edit]

Q6252485 John Penn ("the American) born February 29, 1700, Julian calendar.

Important policies and data models[edit]

These are important policies and data models that apply to Wikidata, whether they are hosted at or elsewhere.

Useful Wikidata pages[edit]

Wikidata:Data access


Wikidata:SPARQL query service/queries/examples


Data access hint[edit]

A concept URL identifies a topic of a WD item, such as a person, mountain, philosophical concept, etc. The concept of the Wikidata Sandbox is:

If entered in a browser, it would be redirected to the data WD has about the concept:

Content negotiation would give a suitable format for the source of the request; web browsers would see the user interface.

If a specific format is desired, it can be indicated by a suffix. For example, the closest one can come to the raw WD information is json, which would be requested by

Interwiki talk page links[edit]



Table of prefixes:


More info:


m:Help:Interwiki linking

Showing that a issue is being tracked in Phabricator: {{Tracked|T123021}} which displays in a box.