So, this extraordinary claim has been getting a lot of publicity lately:
They say a wall is medieval, well so is a wheel. A wheel is older than a wall. And I looked at every single car out there, even the really expensive ones the secret service use. And believe me, they are expensive. I said "do they all have wheels?". "Yes". "Oh, I thought it was medieval." The wheel is older than the wall, you know that?
Donald Trump, 45th President of the United States of America
I'm pretty sure I know about this, but was the wall invented before, or after the wheel?