# clm_12DBC29D07D1

subject: American Express (/record/american-express.md)  
predicate: founded  
value: 1850  
valid_from: 1850-01-01  
valid_to: null  
published: no source on record carries a date  
recorded: 2026-11-11  
confidence: 0.60  
status: unverified  
assertable: false (unverified: Unverified: one source that is not primary, or a primary source below confidence 0.7. Asserted once a primary source or a second independent domain confirms it.)  
superseded_by: null  
last_updated: 2026-11-12  
cite: AsOf. "American Express founded: 1850", as of 1850-01-01. Claim clm_12DBC29D07D1, https://asof.is/claim/clm_12DBC29D07D1, accessed 2026-11-12. Source: https://www.ebsco.com/research-starters/history/american-express-company/.  
checked: 2026-11-12 · its source page states the value and the date  

> Founded in 1850 as an express mail service, Amex transitioned into financial services

What https://www.ebsco.com/research-starters/history/american-express-company/ says, word for word.

## Sources

- https://www.ebsco.com/research-starters/history/american-express-company/ (secondary, ebsco.com)

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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.
