# Jan Błachnio

> Polish historian

**Wikidata**: [Q11717159](https://www.wikidata.org/wiki/Q11717159)  
**Source**: https://4ort.xyz/entity/jan-b-achnio


## References

1. Czech National Authority Database
2. [Source](https://bs.sejm.gov.pl/F?func=find-acc&acc_sequence=000024687&find_code=SYS&local_base=ARS10)
3. Polish Science
4. [Source](https://nauka-polska.pl/#/profile/research?id=79283)
5. [Source](https://viaf.org/viaf/data/viaf-20230206-links.txt.gz)
6. Sejm-Wielki.pl
7. [OpenSanctions](https://www.opensanctions.org/entities/Q11717159)