# 400 metres at the World Championships in Athletics
**Wikidata**: [Q16023902](https://www.wikidata.org/wiki/Q16023902)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/400_metres_at_the_World_Athletics_Championships)  
**Source**: https://4ort.xyz/entity/400-metres-at-the-world-championships-in-athletics