Refers to a Late Iron Age phase and culture of European Celts named for the site at La Tène, or "The Shallows," at Lake Neuchâtel, Switzerland. It began in the mid-fifth century BCE, and it spread throughout northern Europe and the British Iles, finally disappearing in the mid-first century BCE. It is characterized by Greek and Etruscan influences on traditional Celtic culture, and by the great geographical expansion of the Celts.