Quam designationem praebuit Marchio de Bute ("Address upon the History of Cardiff" in Archaeological Journal vol. 28 (1872) p. 258 [sed errore typographico "Didü"]) et The Comprehensive Gazetteer of England & Wales (1894-5) s.v. "Cardiff, Glamorgan": The Romans had a station at the mouth of the river Taff in the first century, established by Aulus Didius; this station was known as Castra Didii. Cf. Aulus Didius Gallus.
ukga.org
Quam designationem praebuit Marchio de Bute ("Address upon the History of Cardiff" in Archaeological Journal vol. 28 (1872) p. 258 [sed errore typographico "Didü"]) et The Comprehensive Gazetteer of England & Wales (1894-5) s.v. "Cardiff, Glamorgan": The Romans had a station at the mouth of the river Taff in the first century, established by Aulus Didius; this station was known as Castra Didii. Cf. Aulus Didius Gallus.