Lmao the one-sided cucumber measuring going on in this whole comment chain.
Like one whole side is interested in talking about the origins of certain _types_ of metalworking and the other is more interested in chest-beating about the technicalities of who did it first.
Tutankhamun's dagger, for example, was crafted from iron and was probably a diplomatic gift from Mitanni (modern day Syria/Turkey)
Way before your Roman Empire