# swimming at the 1968 Summer Olympics – men's 400 metre freestyle
**Wikidata**: [Q7656473](https://www.wikidata.org/wiki/Q7656473)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Swimming_at_the_1968_Summer_Olympics_–_Men's_400_metre_freestyle)  
**Source**: https://4ort.xyz/entity/swimming-at-the-1968-summer-olympics-men-s-400-metre-freestyle