Begning of Bronze age (20 jul 3000 ano antes da era comum – 20 jul 1200 ano antes da era comum)
Descrição:
in the Bronze Age, people added tin to copper to make bronze, an alloy which is much harder than either tin or copper. During the Copper Age, this fact became known, but was not much used because tin was scarce.Adicionado na linha do tempo:
Data:
20 jul 3000 ano antes da era comum
20 jul 1200 ano antes da era comum
~ 1801 years
