Nobody knows who discovered copper. In Iraq, archaeologists made a discovery of a copper pendant aging over 10,000 years. Unlike other metals, this metal is usually found in its natural state, not in the form of ores or compounds. Thus human believe copper was the first metal being used, probably used with meteoritic iron or gold.

The copper is thought to be a prehistoric metal. Evidence was found that was used by ancient Americans during 1000 B. C. Those days, copper was mainly used in the pure form. The American Indians in the Upper Peninsula of America used copper as the sources for spear tips, trinkets and jewelry.

According to the reference, there were two oldest civilizations that used the copper. They were Chaldea and Sumer. Similar to other founders of copper in other places, they made use copper to produce weapons. Sumerian craftsmen also made beautiful sculptures from copper and mounted them on the wall. One of the examples is the Imdugud Relief. It was dated 3100 B. C. and showed an eagle headed a lion and holding a stag in its claw.
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