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 Age Britain into Southern Great Britain around the 12th century BC. This disruption was felt far beyond Britain, even beyond Europe, as most of the great Near Eastern empires collapsed (or experienced severe difficulties) and the Sea Peoples harried the entire Mediterranean basin around this time. Cremation was adopted as a burial practice, with cemeteries of urns containing cremated individuals appearing in the archaeological record. According to John T. Koch and others, the Celtic languages developed during this Late Bronze Age period in an intensely trading-networked culture called the Atlantic Bronze Age that included Britain, Ireland, France, Spain and Portugal, but this