Archaeologists have pinpointed an obscure spot in Kent as the scene of the first encounter between Rome and ancient Britons. Pegwell Bay on the Isle of Thanet is believed to be where Caesar first attempted to land in 55 BC, and later more successfully in 54 BC. Now the site is more than half a mile inland - but at the time it was closer to the coast. The location matches Caesar's own account as it was visible from the sea with a large open bay and was overlooked by higher ground. His army immediately built a fort on the...