# Mastercard in 1966

entity: /record/mastercard.md  
id: ent_mastercard  
whole timeline: /timelines/mastercard.md  
later: /timelines/mastercard/1997.md  

1 claim on Mastercard's record dated in 1966, oldest first.

Format: date | kind | predicate | value | status | claim.

- 1966-01-01 | other | founded | 1966-01-01 | valid | [clm_70A526F330FB](/claim/clm_70A526F330FB.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.