# 20C3

> 20th Chaos Communication Congress

**Wikidata**: [Q66727197](https://www.wikidata.org/wiki/Q66727197)  
**Source**: https://4ort.xyz/entity/20c3


## References

1. [Source](https://events.ccc.de/congress/)
2. [Source](https://events.ccc.de/congress/2003/tickets.en.html)