Just south of there is the famous tree of Boniface ?
> the battles were so bloody that the Christian victors not only converted the conquered
Who do you think 'conquered' the Swedes, some continental Frenchman? Their own kings converted, and thereafter converted their countrymen. And the first such Christian king, Olof Skötkonung, inherited the throne -- he didn't conquer it.
> Who do you think 'conquered' the Swedes
How can this written exchange now bring light to the subject?
I would say, infighting among fierce raiders was vanquished by organized and better equipped men to establish Nations. Tribal one-upmanship was/is rampant. I am touching a complicated topic over very long time periods. The educated Danes I know, do study French and Latin, actually.. but this is now and quite a lot of Danes moved to the USA a hundred years ago.