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
Hampshire The later part of the Roman period had most towns build defensive walls; a pottery industry based in the New Forest exported items widely across southern Britain. A fortification near Southampton was called Clausentum, part of the Saxon Shore forts, traditionally seen as defences against maritime raids by Germanic tribes. The Romans withdrew from Britain in 410 CE. Two major Roman roads, Ermin Way and Port Way cross the north of the country connecting Calleva Atrebatum with Corinium Dobunnorum, modern Cirencester, and Old Sarum respectively. Other roads connected Venta Belgarum with Old Sarum, Wickham and Clausentum. A road, presumed to