# Ecosia founding date

entity: /record/ecosia.md  
predicate: founded  
page: /record/ecosia/founded  
as_of: 2026-11-04  

As of November 4, 2026, Ecosia's founding date on the AsOf record is December 7, 2009, dated December 7, 2009, from 2 secondary sources (trafalgar.com and history-timeline.net). The record holds 1 claim on Ecosia's founding date, 1 still open and 0 superseded, each dated and sourced; a replaced value is closed with an end date, never deleted.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 2026-11-04.

- [Ecosia](/record/ecosia.md) | founded | 2009-12-07 | valid 2009-12-07 to present | conf 0.80 | valid | [clm_5602C5CC7782](/claim/clm_5602C5CC7782.md)
  sources: https://www.wikidata.org/wiki/Q1282139, https://www.trafalgar.com/real-word/eco-search-engine-plants-trees/, https://history-timeline.net/home/timeline/detail/id/3024.html

## Every dated value

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 Superseded claims stay visible.

- [Ecosia](/record/ecosia.md) | founded | 2009-12-07 | valid 2009-12-07 to present | conf 0.80 | valid | [clm_5602C5CC7782](/claim/clm_5602C5CC7782.md)
  sources: https://www.wikidata.org/wiki/Q1282139, https://www.trafalgar.com/real-word/eco-search-engine-plants-trees/, https://history-timeline.net/home/timeline/detail/id/3024.html

## Questions this record answers

### What is Ecosia's current founding date?

December 7, 2009, dated December 7, 2009, from 2 secondary sources (trafalgar.com and history-timeline.net). The record asserts this claim as of November 4, 2026 (status valid, confidence 0.80).


## Get this data

- JSON: /v1/entities/ecosia/founded (this fact) · /v1/entities/ecosia?predicates=founded (with the entity's coverage; add as_of=YYYY-MM-DD for a date)
- MCP: timeline(entity: "ecosia", predicates: ["founded"]) for every dated value · fetch(id: "/record/ecosia/founded.md") for this page
- Entity twin: /record/ecosia.md · timeline: /timelines/ecosia.md

---

AsOf is a temporal fact ledger: a structured, dated, sourced record of what is true and what changed, built for AI retrieval.