The La Tène culture was a late Iron Age culture, primarily associated with the archaeological site uncovered in 1857 by Hansli Kopp at La Tène on the northern shores of Lake Neuchatel in Switzerland. Although the notion of La Tène has ostensibly a geographical basis, the term is used within archaeology mainly in a periodic sense. The artefacts uncovered were Celtic and indicate a significant progression from the earlier Hallstatt Culture. There were three fairly well-defined La Tène periods: Early La Tène from c. 600 - 500 BC; Middle La Tène from 300 - 100 BC and Late La Tène which was from 100 BC until the time when the expansionist Roman incursion into central Europe was to curtail Celtic dominance. La Tène carries also a strong denotation of the cultural presence of the Celts and strongly partitions them from many of the other mainland European pre-Roman tribes; the La Tène people were heavily involved in art, style, power and affluence as central conditions of their lifestyles. Their influence became pervasive across Europe, reaching as far east as Hungary and Turkey, and as far west as Britain and Ireland.