Magnus II of Norway, born in 1048, was a significant yet often overlooked figure in Norwegian history. He ascended to the throne in 1066, ruling alongside his brother Olaf Kyrre from 1067. Despite his brief reign, Magnus's contributions to the kingdom were notable, though his kingship was not recognized in official regnal lists until modern times.
The son of the formidable King Harald Hardrada, Magnus was appointed as the nominal leader of an expedition into the Irish Sea at a young age in 1058. His early endeavors included supporting Welsh ruler Gruffydd ap Llywelyn and Ælfgar, Earl of Mercia, in their conflicts against Wessex, while also aiming to assert control over Orkney.
In 1062, he joined his father in a campaign against Denmark, and shortly thereafter, he was named regent and king before Harald's ill-fated invasion of England in 1066. Following his father's death, Magnus ruled Norway alone for a brief period until Olaf returned from England in 1067, leading to a co-regency.
Tragically, Magnus's reign was cut short by illness, and he passed away less than three years after Olaf's return. His legacy has often been overshadowed, partly due to the brevity of his rule. Magnus had one child, Haakon Toresfostre, who briefly succeeded Olaf but also died young, further diminishing the impact of Magnus's lineage.