What do we really know?

[funnyguy]

Man I'm having a blast. Take a look at this.

https://www.buzzfeed.com/awesomer/thing ... .rieQwD50q

We should write a blog post to clash head vs. head and challenge the authors of the one above explaining why they're wrong and we're right!
I mean come on Vikings didn't have horns on their helmets? I smell bullshit.
They shall go down!

Here's my argument.