# 1999 IAAF World Indoor Championships – men's 4 × 400 metres relay
**Wikidata**: [Q4594765](https://www.wikidata.org/wiki/Q4594765)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/1999_IAAF_World_Indoor_Championships_–_Men's_4_×_400_metres_relay)  
**Source**: https://4ort.xyz/entity/1999-iaaf-world-indoor-championships-men-s-4-400-metres-relay