pridie kalendas septembres
- 12 A.D. — birth of the future emperor Gaius (Caligula) at Antium
- 40 A.D. — Gaius (Caligula) celebrates an ovatio after his attempted military campaigns in Gaul and Britain
- 161 A.D. — birth of the future emperor Commodus (and his twin, Titus Aurelius Fulvus Antoninus)
rogueclassicism 