In this timeline, the urbanization of pre-Roman Britain continues, as does state building. Someone (maybe the Iceni, maybe the Catuvellauni) unites most of Britain.
Then, the third-century crisis hits. King Artouiros of Britannia invades Gaul, to "save" its people from the Germanic tribes...
Then, the third-century crisis hits. King Artouiros of Britannia invades Gaul, to "save" its people from the Germanic tribes...