ante diem xi kalendas octobres
- Mercatus — stocking the cupboards after the ludi Romani
- 490 B.C. — battle of Marathon (yet another reckoning)
- 490 B.C. — the Athenian polemarch Callimachus dies during the Marathon campaign (contingent on the above, obviously)
- 19 B.C. — death of Publius Vergilius Maro (more likely than yesterday)
- 37 A.D. — the emperor Gaius (Caligula) is given the title pater patriae
- 1st century A.D. — martyrdom of Iphigenia
