ante diem xvii kalendas decembres
- ludi Plebeii (day 12) — the Jupiterfest goes on and on and on …
- 305 A.D. — martyrdom of Gurias
- 1907 — birth of Nicholas G.L. Hammond (The Genius of Alexander the Great, among others)
[for the record, I don’t believe today is the day for the festival of Feronia, as attested on several other sites (not sure which came first, but Wikipedia is among them … Feronia’s festival was on the thirteenth; I suspect this is one of those ‘Ides’ confusion things]