Well, maybe,ljc, but how come nobody had ever heard of this great Celtic family until a 17th century antiquary invented it? (from, admittedly, the very real similarities between Cornish, Welsh, Breton, and Irish Scottish and Manx Gaelic).All of which places lie next to each other.And to the other places with "Celtic"language relics(Scandinavia, France, Belgium, Germany, holland etc). And those Firbolgs sound suspiciously like the Vir Belgae.Our identity and history isnt threatened by modern research, its just changing and becoming more enriched and interesting. And in another 200 years it will change again. But we wont.