22 jul 4000 año aC - First Copper tools
Descripción:
Copper was a decoration but later turned into copper tools. Copper also was the same time of bronze, so they made about the same time.The reason why I chose this topic is because Copper is important in human history because we have many usages with it.
Añadido al timeline:
fecha:
22 jul 4000 año aC
Ahora mismo
~ 6030 years ago