1.
To start, Vikings is an Irish-Canadian co-production.
2.
The show started as a nine-part mini-series.
3.
Ragnar Lothbrok is (probably) based on a real person.
4.
The show is almost entirely filmed in Ireland.
5.
Writer and creator Michael Hirst was interested in showing a different side to Vikings.
6.
Actor Katheryn Winnick, who plays Lagertha, is a skilled martial artist.
7.
Four dead languages were resurrected on the show.
8.
As far as research for the show, source material is a bit scarce.
9.
The character Rollo is based on a real Viking.
10.
The character Floki is played by Alexander Skarsgård's brother, Gustaf Skarsgård!
11.
They *actually* hauled a real ship over a cliff.
12.
And finally, the storylines and representation of women characters, and their freedoms, are historically accurate.