Actually, the barbarians who sacked Old Tanium didn’t wear woad.

The barbarians Maureen Ramsay is descended from probably did, though.

Of course, the Old Tanians would argue that the Meerish and Weserlander royal armies which battered the Tanian Republic into submission and declared the Restored Empire were pretty much the same as the mustachioed (but probably woadless) barbarians who had sacked the old capital some centuries prior.