ante diem iii kalendas octobres
- 106 B.C. — birth of Gnaeus Pompeius
- 61 B.C. — Pompey celebrates his third triumph in recognition of his victories in the third Mithridatic War
- 48 B.C. — Pompeius Magnus, in the wake of his defeat at Pharsalus, is murdered as he steps ashore in Egypt (another possible date)
- 290 A.D. — martyrdom of Rhipsime, Gaiana, and companions