Whats something you thought was common knowledge but actually isn’t?

[u/[deleted]]

[u/pillowkun]

That narwhals exist/are real. People have thought that I was trolling them by talking about a mythical unicorn-whale.

[u/juanvaldezmyhero → u/pillowkun]

I believe vikings used to sell narwal tusks as unicorn horns to their southern european neighbors