22 jul 4000 ano antes da era comum - First Copper tools
Descrição:
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.
Adicionado na linha do tempo:
Data:
22 jul 4000 ano antes da era comum
Agora
~ 6030 years ago