The historians make a distinction between political history and the emergence of a common Swedish ethnicity.
A mere historian could not make such momentous decisions by himself.
Later historians and chronographers make no mention of such stories.
The family and local historian can make a significant contribution here.
But 21st-century historians should still make an effort to tell their own stories as well as he did.
Increasingly, many personal historians now make use of video and digital formats.
So far historians have made little use of AI and expert systems.
I don't know what historians will make of this idea when they pore over it in 50 years' time.
Later, Medieval historians followed the older tradition and likewise made such associations.
Local historians and rural sociologists too are making greater use of this oral approach.