MacArthur Foundation record
The Wikidata source explicitly states the MacArthur Foundation's inception date as '6 January 1978' with a reference to the official MacArthur Foundation history page. This directly confirms the claimed date of 1978-01-06 (same date, just different formatting). The source also notes that while ROR lists 1970, the 1978 date is the authoritative one per official history, which aligns with the additional context provided in the claim.
Our claim
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Source evidence
1 src · 1 checkNoteThe Wikidata source explicitly states the MacArthur Foundation's inception date as '6 January 1978' with a reference to the official MacArthur Foundation history page. This directly confirms the claimed date of 1978-01-06 (same date, just different formatting). The source also notes that while ROR lists 1970, the 1978 date is the authoritative one per official history, which aligns with the additional context provided in the claim.