jan 1, 2900 BC - The Chalcolithic period, or Copper Age, was an era of transition between the stone tool-using farmers of the Neolithic and the metal-obsessed civilisations of the Bronze Age. The Copper Age was really a phenomenon of the eastern Mediterranean regions, and occurred from roughly 3500 to 2300 BCE.
Added to timeline:
Date:
jan 1, 2900 BC
Now
~ 4928 years ago