Discovery of metals and alloys

Events

Approx. 6000 BC
Approx. 4200 bc
Approx. 4000 bc
Approx. 3500 bc
Approx. 3500 bc
Approx. 3500 bc
Approx. 1500 bc
Approx. 1400 bc
1827
Approx. 1870