Derham, or Durham, is remarkable for certain huge Ramparts and Trenches, which shew, that it has antiently been the Scene of some Military Action; and here Ceaulin the Saxon, in a bloody Engagement, slew three British Princes, and by that Means dispossessed the Britons from that Part of the Country: ‘Tis likewise noted for many fine Springs, which supply the Boyd.
From The Natural History of England, volume 1, by Benjamin Martin (1759).