Up to m188, Walloon_Belgium (wa_BE) locale data, Friulian_Italy (fur_IT) locale data, Chuvash_Russia (cv_RU) locale data has been added to OpenOffice.org, and Gascon (gsc_FR) has been added to to the language listbox.
http://development.openoffice.org/releases/2.1.m188_snapshot.html
Really exciting to know they exists.
How many languages are there in Europe anyway?
;)