# European Commission founding date

entity: /record/european-commission.md  
predicate: founded  
page: /record/european-commission/founded  
as_of: 2026-10-31  

As of October 31, 2026, European Commission's founding date on the AsOf record is January 1, 1958, dated January 7, 1958, from a primary source (ec.europa.eu) and one further source (europarl.europa.eu). The record holds 1 claim on European Commission's founding date, 1 still open and 0 superseded, each dated and sourced; a replaced value is closed with an end date, never deleted.

## Current founding date

What the record asserts on 2026-10-31.

- [European Commission](/record/european-commission.md) | founded | 1958-01-01 | valid 1958-01-07 to present | conf 0.90 | valid | [clm_202E0B8C610E](/claim/clm_202E0B8C610E.md)
  sources: https://www.europarl.europa.eu/about-parliament/en/in-the-past/the-parliament-and-the-treaties/treaty-of-rome, https://www.wikidata.org/wiki/Q8880, https://ec.europa.eu/archives/commission_2004-2009/president/history/hallstein/index_en.htm

## Every dated value

One claim per line, oldest first. Superseded claims stay visible.

- [European Commission](/record/european-commission.md) | founded | 1958-01-01 | valid 1958-01-07 to present | conf 0.90 | valid | [clm_202E0B8C610E](/claim/clm_202E0B8C610E.md)
  sources: https://www.europarl.europa.eu/about-parliament/en/in-the-past/the-parliament-and-the-treaties/treaty-of-rome, https://www.wikidata.org/wiki/Q8880, https://ec.europa.eu/archives/commission_2004-2009/president/history/hallstein/index_en.htm

## Questions this record answers

### What is European Commission's current founding date?

January 1, 1958, dated January 7, 1958, from a primary source (ec.europa.eu) and one further source (europarl.europa.eu). The record asserts this claim as of October 31, 2026 (status valid, confidence 0.90).


## Get this data

- JSON: /v1/entities/european-commission/founded (this fact) · /v1/entities/european-commission?predicates=founded (with the entity's coverage; add as_of=YYYY-MM-DD for a date)
- MCP: entity_state(entity: "european-commission", predicates: ["founded"], scope: "all")
- Entity twin: /record/european-commission.md · timeline: /timelines/european-commission.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.