Pretty interesting.
http://www.foxnews.com/science/2016/09/27/early-cats-traveled-with-vikings-and-farmers.html
Ragnar Lothbrok took his cats on a boat tide
http://www.foxnews.com/science/2016/09/27/early-cats-traveled-with-vikings-and-farmers.html
Ragnar Lothbrok took his cats on a boat tide