# Treaty of Lisbon

> Treaty modifying the constitutional basis of the European Union, signed by all the States of the Union in Lisbon on 2007

**Wikidata**: [Q52843](https://www.wikidata.org/wiki/Q52843)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Treaty_of_Lisbon)  
**Source**: https://4ort.xyz/entity/treaty-of-lisbon


## References

1. Virtual International Authority File
2. IdRef
3. Freebase Data Dumps. 2013
4. BBC Things
5. Quora
6. National Library of Israel Names and Subjects Authority File
7. [OpenAlex](https://docs.openalex.org/download-snapshot/snapshot-data-format)