Ictis British tin was shipped from Massalia on the Mediterranean coast of Gaul. Julius Caesar, in his "De Bello Gallico", says of the Veneti: "This last-named people were by far the most powerful on the coast of Armorica: they had a large fleet plying between their own ports and Britain; they knew more about the handling of ships and the science of navigation than anyone else thereabouts." William Camden, the Elizabethan historian, took the view that the name "Ictis" was so similar to "Vectis", the Latin name for the Isle of Wight, that the two were probably the same island. The
Roman Britain governors in Britain by dividing the province into ' and '. This kept the potential for rebellion in check for almost a century. Historical sources provide little information on the following decades, a period known as the Long Peace. Even so, the number of buried hoards found from this period rises, suggesting continuing unrest. A string of forts were built along the coast of southern Britain to control piracy; and over the following hundred years they increased in number, becoming the Saxon Shore Forts. During the middle of the 3rd century, the Roman Empire was convulsed by barbarian invasions, rebellions