That's non-controversial, regular knowledge right? That the proto iron age happened all over in 1 or 2 centuries in which meteors dropped iron from the sky. It was in regular history books when i was a kid.
They always brush right over why it was raining iron. Isn't that crazy wth is that about?
Well 1 tension in your timeline is thinking "man" had this technology andmaybe not "some men" who probably made up stories about it and only taught sycophants and hucksters the racket and the cover story