Status Updates From The Wolf Age: The Vikings, ...

I am a master of eight skills! I can forage words in rhymes; I can travel quickly on horseback; I have often swum races; I can glide well on skis; I shoot and row well; I value harp music and poetry.”

Christianity becomes popular
Abandoning old Norse traditions

In a book called Nuclear War, it mentioned that all it takes is a mad lunatic world leader to start the end of humanity. I think this applies to how paranoid Aethelred became as a leader that he caused an ethnic cleansing.
It’s alarming that history could repeat itself like this. Aethelred with the Danish descents in England, Hitler with Jews, Israelis with Palestinians. Paranoia from a leader is a weapon.

With him, we’re always associated his three companions, plunder, burning, and killing
Re Sweyn

The Lord made his well-known through the northern lights, solar, eclipses, and comets anomaly in the perfect in orderly world system he had created and set in motion at the dawn of time in which the stars followed their repetitive and predictable orbits, and where daybreak followed daybreak winter followed winter.

We meet Snorri
Icelandic poet and historian
Died 1241

Around 975, Anglo-Saxon England believed in bad omens through comets, anomalies in the sky to explain and foretell tragic events that come from pillaging and colonization.

200 years before, Vikings had their fair share of history of attacks against England because there was not a united front for the Anglo-Saxon Kingdoms and it took so much societal development before they were able to reclaim their land.