ante diem xiv kalendas septembres

Vinalia -- the second major wine festival of this name celebrated by the Romans

43 B.C. -- the future emperor Octavian enters his first consulship; Octavian's adoption by Julius Caesar formally recognized

14 A.D. -- Augustus dies at Nola

232 A.D. -- birth of the future emperor Probus

304 A.D. -- martyrdom of Thecla at Caesarea

c. 306 A.D. -- martyrdom of Agapius at Caesarea

... on a semi-related note, I believe I've located the mysterious 'pagan book of days' which seems to be a source of much misinformation on the internet...