Kingdom of Norway

The Kingdom of Norway was unified by Harald Fairhair around 872 following his victory at the Battle of Hafrsfjord, bringing together previously independent Norse chieftains under a single crown. The kingdom became a launching point for Viking expeditions that settled Iceland, Greenland, and briefly North America, while Norwegian raiders and traders ranged from the British Isles to the Mediterranean. Christianity was introduced and consolidated under Olaf Tryggvason and Olaf Haraldsson (Saint Olaf) in the late 10th and early 11th centuries. The kingdom entered a union with Denmark and Sweden at the Union of Kalmar in 1397, marking the end of its medieval independence as a separate realm.

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