Discovery and extraction of metals

Classic ages of human history

7,000 bc - 3000 bc
3000 bc - 2500 bc
2500 bc - 1000 bc
1000 bc - 1800 ad
1800 ad - 2000 ad

Discovery of metals and alloys

6000 bc
4200 bc
3500 bc
2500 bc
1500 bc
1400 bc
1791 ad
1825 ad
1939

Extraction method

6000 bc
4200 bc
3500 bc
2500 bc
1500 bc
1400 bc
1719
1825
1939