ante diem x kalendas octobres
- Mercatus — the Romans continue the shopping spree
- 479 B.C. — the Persian general Mardonius is killed in the Battle of Plataea (source? … seems a little late)
- 36 B.C. — the triumvir Marcus Aemilius Lepidus agrees to retire after losing all his military support to Octavian
- 19 B.C. — another (less likely) date for the death of Virgil
- 130 (129?) A.D.– birth of Galen (still not sure of the ultimate source for this date)
- 259 A.D. — martyrdom of Digna and Emerita at Rome
- 287 A.D. — martyrdom of Maurice and companions
- 1999 — death of Chester Starr