Hampshire tribes of northeastern Gaul - whether these two events are linked to the decline of hillforts is unknown. By the Roman conquest, the "oppidum" at Venta Belgarum, modern-day Winchester, was the "de facto" regional administrative centre; Winchester was, however, of secondary importance to the Roman-style town of Calleva Atrebatum, modern Silchester, built further north by a dominant Belgic polity known as the Atrebates in the 50s BCE. Julius Caesar invaded southeastern England briefly in 55 and again in 54 BCE, but he never reached Hampshire. Notable sites from this period include Hengistbury Head (now in Dorset), which was a major
La Venta the most important ceremonial-civic centers of the Middle Formative era. Most of what is known about Olmec religion is speculative, but certain patterns do emerge at La Venta that are certainly symbolic and might have ritual meaning. For example, the crossed bands symbol, an X in a rectangular box, is often repeated in stone at La Venta, other Olmec sites, and continued to have significance to the cultures inspired by the Olmec. It often appears in conjunction with the maize deity and so might have connection with subsistence. The artifacts discovered at La Venta have been crucial to starting to