Danum

Dictionary of Greek and Roman Geography

DANUM in Britain, mentioned in the eighth Itinerary as being the second station on the road from York to Lincoln. Name for name, and place for place, Danum == Don-caster. Danum was the station of the Praefectus Equitum Crispianorum of the Notitia.Roman remains are found at Doncaster.
[R.G.L]