The Celts are Indo-European, as are the Germans, French, Italians, Spanish, Greeks, Russians... but the Celts aren’t German, French, Russian, or Viking. :’)
http://www.freerepublic.com/focus/news/1492262/posts?page=7#7
http://www.freerepublic.com/focus/news/694010/posts?page=33#33
Don’t tell me they didn’t have occasion to ‘visit’.