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 in 84 at the Battle of Mons Graupius, in northern Scotland. This was the high-water mark of Roman territory in Britain: shortly after his victory, Agricola was recalled from Britain back to Rome, and the Romans retired to a more defensible line along the Forth–Clyde isthmus, freeing soldiers badly needed along other frontiers. For much of the history of Roman Britain, a large number of soldiers were garrisoned on the island. This required that the emperor station a trusted senior man as governor of the province. As a result, many future emperors served as governors or legates in this province,