# Mario Christian Ortner

> Austrian military historian and historian of modern age

**Wikidata**: [Q1081289](https://www.wikidata.org/wiki/Q1081289)  
**Source**: https://4ort.xyz/entity/mario-christian-ortner


## References

1. Integrated Authority File
2. Czech National Authority Database
3. [Source](https://www.hgm.at/museum/entdecken/begruessungsvideo-des-direktors)
4. International Standard Name Identifier
5. Virtual International Authority File
6. [Source](https://www.geschichtewiki.wien.gv.at/Mario_Christian_Ortner)
7. Bibliography of the History of the Czech Lands