{"entity":"wikipedia","id":"ent_wikipedia","name":"Wikipedia","predicate":"founded","label":"founding date","page":"https://asof.is/record/wikipedia/founded","as_of":"2026-11-01","summary":"As of November 1, 2026, Wikipedia's founding date on the AsOf record is January 15, 2001, dated January 15, 2001, from 2 secondary sources (washingtonpost.com and lapl.org). The record holds 1 claim on Wikipedia's founding date, 1 still open and 0 superseded, each dated and sourced; a replaced value is closed with an end date, never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":["clm_95D3B81A8C9E"],"latest_period":null,"claims":[{"id":"clm_95D3B81A8C9E","value":"2001-01-15","valid_from":"2001-01-15","valid_to":null,"published":null,"recorded":"2026-10-27","confidence":0.85,"status":"valid","assertable":true,"superseded_by":null,"sources":[{"url":"https://www.wikidata.org/wiki/Q52","tier":"secondary","publisher":"Wikidata","published_at":null},{"url":"https://www.washingtonpost.com/news/the-intersect/wp/2016/01/15/wikipedia-just-turned-15-years-old-will-it-survive-15-more/","tier":"secondary","publisher":null,"published_at":null},{"url":"https://www.lapl.org/collections-resources/blogs/lapl/wikipedia-20-aka-wiki-wiki-birthday","tier":"secondary","publisher":"lapl.org","published_at":null}],"evidence":{"by":"page-read","on":"2026-11-01","quote":"To this end, they launched a companion site they called Wikipedia on January 15, 2001, with its first edit, the words “Hello World”, and announced it on the Nupedia mailing list.","url":"https://www.lapl.org/collections-resources/blogs/lapl/wikipedia-20-aka-wiki-wiki-birthday"}}],"replaced":[],"faq":[{"question":"What is Wikipedia's current founding date?","answer":"January 15, 2001, dated January 15, 2001, from 2 secondary sources (washingtonpost.com and lapl.org). The record asserts this claim as of November 1, 2026 (status valid, confidence 0.85)."}],"legend":{"dates":"valid_from: when the claim took effect (a period figure: the day its period closed). published: the earliest day a source on the record published it (a filing's filing date, a post's date; null when no source carries one). recorded: the day AsOf first held it. A figure can take effect weeks before it is published.","why_not":{},"checked_by":{"page-read":"its source page states the value and the date"}}}