Haakon IV of Norway was a king who ruled from 1217 to 1263. He is known for strengthening the Norwegian monarchy and expanding its influence in the region. His reign marked a period of relative peace and stability, allowing for economic growth and the development of trade. Haakon IV was also notable for his efforts to unite Norway and improve its governance. He worked to establish a more centralized administration and fostered relationships with other kingdoms, including Sweden and Denmark. His legacy includes the promotion of law and order, which helped shape the future of Norway.