Honourable Society of Cymmrodorion

The Honourable Society of Cymmrodorion (Welsh: Anrhydeddus Gymdeithas y Cymmrodorion), often called simply the Cymmrodorion, is a London-based Welsh learned society, with membership open to all. It was first established in 1751 as a social, cultural, literary and philanthropic institution.

Source: Wikipedia — Honourable Society of Cymmrodorion (CC BY-SA 4.0)