Venta Belgarum Oram's Arbour and Worthy Down) once the Romans had pacified the area, as was their policy for relocating many other British tribes. The River Itchen was diverted and a street grid laid out. Although in the early years of the Roman province it was of subsidiary importance to Silchester and Chichester, Venta eclipsed them both by the latter half of the second century. A defensive bank and ditch were dug around the town in the 2nd century. At the beginning of the third century, Winchester was given protective stone walls. At around this time the city covered an area of
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