# Wikimedia Foundation founding date

entity: /record/wikimedia-foundation.md  
predicate: founded  
page: /record/wikimedia-foundation/founded  
as_of: 2026-11-01  

As of November 1, 2026, Wikimedia Foundation's founding date on the AsOf record is June 20, 2003, dated June 20, 2003, from 2 secondary sources (icannwiki.org and search.sunbiz.org). The record holds 1 claim on Wikimedia Foundation's founding date, 1 still open and 0 superseded, each dated and sourced; a replaced value is closed with an end date, never deleted.

## Current founding date

What the record asserts on 2026-11-01.

- [Wikimedia Foundation](/record/wikimedia-foundation.md) | founded | 2003-06-20 | valid 2003-06-20 to present | conf 0.85 | valid | [clm_0DED563EEA8D](/claim/clm_0DED563EEA8D.md)
  sources: https://icannwiki.org/Wikimedia_Foundation, https://www.wikidata.org/wiki/Q180, http://search.sunbiz.org/Inquiry/CorporationSearch/SearchResultDetail?inquirytype=EntityName&directionType=Initial&searchNameOrder=WIKIMEDIAFOUNDATION%20N030000053230&aggregateId=domnp-n03000005323-6dc7ff3a-b7ba-4c97-9b9e-4545cef1ca0a

## Every dated value

One claim per line, oldest first. Superseded claims stay visible.

- [Wikimedia Foundation](/record/wikimedia-foundation.md) | founded | 2003-06-20 | valid 2003-06-20 to present | conf 0.85 | valid | [clm_0DED563EEA8D](/claim/clm_0DED563EEA8D.md)
  sources: https://icannwiki.org/Wikimedia_Foundation, https://www.wikidata.org/wiki/Q180, http://search.sunbiz.org/Inquiry/CorporationSearch/SearchResultDetail?inquirytype=EntityName&directionType=Initial&searchNameOrder=WIKIMEDIAFOUNDATION%20N030000053230&aggregateId=domnp-n03000005323-6dc7ff3a-b7ba-4c97-9b9e-4545cef1ca0a

## Questions this record answers

### What is Wikimedia Foundation's current founding date?

June 20, 2003, dated June 20, 2003, from 2 secondary sources (icannwiki.org and search.sunbiz.org). The record asserts this claim as of November 1, 2026 (status valid, confidence 0.85).


## Get this data

- JSON: /v1/entities/wikimedia-foundation/founded (this fact) · /v1/entities/wikimedia-foundation?predicates=founded (with the entity's coverage; add as_of=YYYY-MM-DD for a date)
- MCP: timeline(entity: "wikimedia-foundation", predicates: ["founded"]) for every dated value · fetch(id: "/record/wikimedia-foundation/founded.md") for this page
- Entity twin: /record/wikimedia-foundation.md · timeline: /timelines/wikimedia-foundation.md

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AsOf is a temporal fact ledger: a structured, dated, sourced record of what is true and what changed, built for AI retrieval.