I think you're thinking of the Belgian/French/German border in the east of Belgium
The France/Belgium one was pretty stable. And I already have a walloon.
(Smale is stuffed, Tue 14 Jun 2011, 16:27, 1 reply)

I'm thinking of the entire area.
I'm not sure you could apply the word "stable" to any of the borders of modern Belgium until after the second world war.

They should declare the whole area as a national cross-frontier theme park and allow people to drive tanks around it and blow shit up. BATTLE WORLD. Don't pretend that wouldn't be ace, walloon or no walloon. It's worth sacrificing an entire nation for that level of awesome.
( Dr. Shambolic je suis charlie, Tue 14 Jun 2011, 17:33, closed)

Visit Bellewaerde park
It's built on the site of Passendaele battlefield. If you stand at Hooghe crater on a summer's day all you hear is the screams from the park. Such a wasted opportunity. Is it in the Jasper Fforde books where they have Somme World?
(Smale is stuffed, Tue 14 Jun 2011, 19:05, closed)

I have no idea who that person is
but if he agrees with my idea about turning the historic battlefield of Europe into a WAROMG! theme park then he is clearly a gentleman of great mind.
( Dr. Shambolic je suis charlie, Tue 14 Jun 2011, 20:42, closed)