# 28C3

> 28th Chaos Communication Congress

**Wikidata**: [Q61595308](https://www.wikidata.org/wiki/Q61595308)  
**Source**: https://4ort.xyz/entity/28c3


## References

1. [Source](https://events.ccc.de/congress/2011/wiki/Welcome)
2. [Source](https://futurezone.at/digital-life/unter-hackern-es-brodelt-im-untergrund/24.574.533)
3. [Source](https://events.ccc.de/congress/2011/wiki/Tickets)