Neolithic Period (4000-2100 BC); Late Neolithic (Copper) Period, Megalithic Monuments (4500-1500 BC), Ancient Europe Ancient Europe, Prehistory: Neolithic Period (4000 kya-3500 BC); Late Neolithic (Copper) Period, Megalithic Monuments (4500-1500 BC) August 25, 2025 — 0 Comments