# Fourth Crusade

> armed expedition against Constantinople

**Wikidata**: [Q51656](https://www.wikidata.org/wiki/Q51656)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Fourth_Crusade)  
**Source**: https://4ort.xyz/entity/fourth-crusade


## References

1. Nuovo soggettario
2. SUDOC
3. Freebase Data Dumps. 2013
4. Integrated Authority File
5. BabelNet
6. Quora
7. National Library of Israel
8. KBpedia