Crusading at the Edges of Europe: Denmark and Portugal c.1000 ? c.1250

This book is the first to compare Denmark and Portugal systematically in the High Middle Ages and demonstrates how the two countries became strong kingdoms and important powers internationally by their participation in the crusading movement.

Communication in the Middle Ages was better developed than often assumed and institutions, ideas, and military technology was exchanged rapidly, meaning it was possible to coordinate great military expeditions across the geographical periphery of Weste...