# clm_3BF0DC134899

subject: Santander Group (/record/santander.md)  
predicate: founded  
value: 1857-05-15  
valid_from: 1857-05-15  
valid_to: null  
published: no source on record carries a date  
recorded: 2026-11-12  
confidence: 0.95  
status: valid  
assertable: true  
superseded_by: null  
last_updated: 2026-11-12  
cite: AsOf. "Santander Group founded: 1857-05-15", as of 1857-05-15. Claim clm_3BF0DC134899, https://asof.is/claim/clm_3BF0DC134899, accessed 2026-11-13. Source: https://www.santander.com/en/about-us/our-history.  
checked: 2026-11-12 · its source page states the value and the date, as read by an AI model  

> On 15 May 1857, Queen Isabella II of Spain signed a Royal Decree authorising the incorporation of Banco Santander

What https://www.santander.com/en/about-us/our-history says, word for word.

## Sources

- https://www.santander.com/en/about-us/our-history (primary, santander.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.