Belgae Britain after participating in Vercingetorix's rebellion and either joined or established a British branch of his tribe. Based on the development of imagery on coins, by the time of the Roman conquest, some of the tribes of south-eastern Britain likely were ruled by a Belgic nobility and were culturally influenced by them. The later "civitas" (administrative division) of Roman Britain had towns including "Portus Adurni" (Portchester), and "Clausentum" (Southampton). The "civitas" capital was at "Venta Belgarum" (Winchester), which was built on top of an Iron Age "oppidum" (which was itself built on the site of two earlier abandoned hillforts), which
La Venta major Olmec sites of La Venta, San Lorenzo Tenochtitlán, Laguna de los Cerros, and Tres Zapotes. By no later than 1200 BCE, San Lorenzo had emerged as the most prominent Olmec center. While a layer of occupation at La Venta dates to 1200 BCE, La Venta did not reach its apogee until the decline of San Lorenzo, after 900 BCE. After 500 years of pre-eminence, La Venta was all but abandoned by the beginning of the fourth century BCE. Located on an island in a coastal swamp overlooking the then-active Río Palma, La Venta probably controlled a region between the