Conquest of Britain I

Coin of Cunobelinus, leader of the Catuvellauni, ©PHGCOM 2009, <a href=''target=_'new'>Wikimedia Commons</a>

Archaeology tells us about the settlements of these tribes, and there are objects such as coins that give the names of tribal kings and their central places - in Latin! That tells us that the tribes had contact with the Roman Empire after Caesar's campaigns.