http://en.wikipedia.org/wiki/Categor...egional_origin
This is a pretty good starting point towards understanding the geographical diversification of martial arts. Under the European section, you'll find information about 'Stav', a Norwegian martial art based on runes, Kiridoli-an ancient Georgian martial art, Bataireacht--Irish stick-fighting, Gouren-a Franco-Brittanic martial wrestling form, and Svebor, a Serbian martial art used by knights.