When we think of crusades, images of the Knights Templar riding into battle against their Islamic foes in the Holy Land spring to mind. But there was another medieval crusade against non-believers, in this case pagans, held in Scandinavia in the same time period. How did the Church arrive at the conclusion that it had no choice but to forcibly convert these Baltic heathens? Some monarchs were anxious to convert for the political advantage it gave them, but others like the Swedish Queen Sigrid the Haughty preferred a slap in the face to Christianity.