Nordic Bronze Age objects. These valuable metals were all imported, primarily from Central Europe, but they were often crafted locally and the craftsmanship and metallurgy of the Nordic Bronze Age was of a high standard. The archaeological legacy also comprise locally of crafted wool and wooden objects and there are many tumuli and rock carving sites from this period, but no written language existed in the Nordic countries during the Bronze Age. The rock carvings have been dated through comparison with depicted artifacts, for example bronze axes and swords. There are also numerous Nordic Stone Age rock carvings, those of northern Scandinavia mostly
Bronze- and Iron-Age Poland most famous archeological finding from that period is the Biskupin fortified settlement (gord) on the lake from which it takes its name, representing the Lusatian culture of the early Iron Age. The Bronze Age in Poland consisted of Period I (early), 2300 to 1600 BC; Period II (older), 1600 to 1350 BC; Period III (middle), 1350 to 1100 BC; Period IV (younger), 1100 to 900 BC; Period V (late), 900 to 700 BC. The Early Iron Age included Hallstatt Period C, 700 to 600 BC, and Hallstatt Period D, 600 to 450 BC. Bronze items present in Poland around 2300