# swimming at the 2009 World Aquatics Championships – men's 50 metre butterfly

> world championship

**Wikidata**: [Q1152197](https://www.wikidata.org/wiki/Q1152197)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Swimming_at_the_2009_World_Aquatics_Championships_–_Men's_50_metre_butterfly)  
**Source**: https://4ort.xyz/entity/swimming-at-the-2009-world-aquatics-championships-men-s-50-metre-butterfly


## References

1. Freebase Data Dumps. 2013