# Category:Organizations established in 1661

> Wikimedia category

**Wikidata**: [Q8704844](https://www.wikidata.org/wiki/Q8704844)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Category:Organizations_established_in_1661)  
**Source**: https://4ort.xyz/entity/category-organizations-established-in-1661