Copper age (20 Feb 2300 Jahr – 21 Jun 3500 Jahr)
Beschreibung:
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.[1]Zugefügt zum Band der Zeit:
Datum:
20 Feb 2300 Jahr
21 Jun 3500 Jahr
~ 1201 years