ante diem vi idus maias
- 214 (?) A.D. — birth of the future emperor Claudius II Gothicus
- 232 A.D. — martyrdom of Felix and Palmatius
- 238 A.D. — murder of Maximinus Thrax (by one reckoning)
- 250 A.D. — martyrdom of Epimachus at Alexandria
- 251 A.D. — martyrdom of Alphius, Philadelphus, Cyrinus, and Benedicta at Leontini (?)
