I can show that this type of boat sails well on open water, in tough conditions. But navigating close to land and in the fjords sometimes presents challenges that are just as great, but not as obvious.
The Battle of Edington in 878 marked a turning point for Wessex, as Alfred the Great's victory over Guthrum not only saved his kingdom but also led to the Treaty of Wedmore, establishing a fragile peace between the Norse settlers and the Anglo-Saxons.