Excuse me? Note the bit in bold:Again, the exception to the rule. Norway was NOT Christianized by force. Europe was missionized by the church, not conquered.
Olaf I then made it his priority to convert the country to Christianity using all means at his disposal. By destroying temples and torturing and killing pagan resisters he succeeded in making every part of Norway at least nominally Christian.[24] Expanding his efforts to the Norse settlements in the west the kings' sagas credit him with Christianizing the Faroes, Orkney, Shetland, Iceland, and Greenland.
Christianization of Scandinavia - Wikipedia