# clm_5EDC9BDB72C2

subject: Duolingo (/record/duolingo.md)  
predicate: founded  
value: 2011  
valid_from: 2011-01-01  
valid_to: null  
published: no source on record carries a date  
recorded: 2026-11-02  
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: 2026-11-02  
checked: 2026-11-02 · its source page states the value and the date  

> Duolingo was founded in 2011 in Pittsburgh, Pennsylvania by Luis von Ahn and Severin Hacker, making it 15 years old.

What https://corpdigest.com/company/duolingo/company-history says, word for word.

## Sources

- https://corpdigest.com/company/duolingo/company-history (secondary, corpdigest.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.