 The earliest known settlement dates from 6700 BC, discovered in 2008, during the construction works of the Yenikapı subway station and the Marmaray tunnel at the historic peninsula on the European side.The first human settlement on the Anatolian side, the Fikirtepe mound, is from the Copper Age period, with artifacts dating from 5500 to 3500 BC.In nearby Kadıköy (Chalcedon) a port settlement dating back to the Phoenicians has been discovered.