@W3rds:
>Not going to lie, the whole "impossible trip to vinland" is way less impressive after you find out they are in a timeline that has a flourishing Greenland. By that point, the trip to America wasn't quite the unbleivable journey the characters were acting.
Flourishing or not, the Vikings settled in Greenland around the 10th century, at least according to Wikipedia.
https://en.wikipedia.org/wiki/Greenland
https://en.wikipedia.org/wiki/History_of_Greenland