23
Did Ancient Egyptians Know Meteorites Came From Space?
(www.smithsonianmag.com)
Is that really that hard to understand? Somebody sees a fireball falling from the sky. They investigate it, and it turns out to be a very strong material, great for making weapons with. It wasn't as obvious to the British in 19th century, because iron is most commonly mined everywhere. Since there was no iron mining back when they first started using it, they had no confusion realizing it came from the sky.
