pridie idus decembres
- Rites in honour of Consus on the Aventine Hill; this possibly relates to a restoration of a temple of Consus by Augustus.
- 404 B.C. — death of Darius II ‘Nothus’ (according to one reckoning)
- 250 A.D. — martyrdom of Dionysia
- 287 A.D. — martyrdom of Crescentius
