Introduction. Harald Fairhair joined earls and small kings to gather Norway into one kingdom, among them were Håkon Grjotgardsson Earl-Lade and Ragnvald Earl-Møre. The Battle of Hafsfjord was in 872 and he reigned from 865 to 930-933. But it didn´t take long before Norway again became a suzerainty under Denmark. Håkon Sigurdsson Earl ruled Norway … Continue reading The unification of Norway. Battle of Hafsfjord, Hjørungavåg, Svolder and Stiklestad.  What’s the significance of Christianity?