the limits of the known world. They sailed in three divisions, and probably landed at Richborough in Kent, although some suggest that at least part of the invasion force landed on the south coast, in the Fishbourne area of West Sussex. The Romans defeated the Catuvellauni and their allies in two battles: the first, assuming a Richborough landing, on the river Medway, the second on the Thames. One of the Catuvellaunian leaders, Togodumnus, was killed, but his brother Caratacus survived to continue resistance elsewhere. Plautius halted at the Thames and sent for Claudius, who arrived with reinforcements, including artillery and elephants, for the final march to the Catuvellaunian capital, Camulodunum . The future emperor Vespasian subdued the southwest,Cogidubnus was set up as a friendly king of several territories, and treaties were made with tribes outside the area under direct Roman control.Romans built many
Kindlused olid asendumas linnakultuuriga, samuti veeti sisse veini, võeti kasutusele Rooma stiilis mündid, ülikkond kasutas ladina tähestikku. Britannia kaguosa ülikkond oli romaniseerumas. Cassius Dio kirjeldab Britanniat roomalikuna juba enne, kui roomlased selle vallutasid. Cunobelinus ühendas kaks vürstiriiki ning rajas pealinna Camoludunumi, millel olid tähtsad kaubasidemed Rooma keisririigiga. 40. aastal ta suri. Tema kaks poega Caratacus ja Togodumnus ründasid atrebaate, kes olid roomasõbralikud. Roomlased jälgisid seda murelikult. Atrebaatide kuningas Verica palus tõenäoliselt roomlastelt abi. Claudius arvas, et seal eriti sõdida ei tule, vaid pigem ülikuid enda poolele kallutada. 43. a kevadel asus ta nelja leegioniga teele. Cunobelinus ühendas trinovantide ja katuvellaunide vürstiriigid, oli ise katuvellaun, sai u 20 Kagu-Britannia valitsejaks, tegi Camulodunumist pealinna. Tal oli 2 poega