This section covers the Scandinavian countries border changes from
Viking age to modern age. Unfortunately little is known of Scandinavia's early
history. The questions of how and when the Scandinavian countries became unified
states are still a matter of intense discussions among the scholars. Sweden in
particular have a very cloudy history during the Viking age. Sweden's Viking age
is therefore left out in this atlas.
Please read the following explanations.
They will help you to understand the maps that are presented on this website.