1 janv. 200 av. J.-C. - W: First known use of smelted iron to create steel.
Description:
World: India was the first known to smelt iron with carbon to create steel, used to make swords, knives, and sewing needles.
Ajouté au bande de temps:
Date:
1 janv. 200 av. J.-C.
Maintenaint
~ Il y a 2227 ans