ante diem xiii kalendas novembres

480 B.C. -- Battle of Salamis (one reckoning; seems a bit late)

127 A.D. -- ludi votivi decennales pro salute Augusti

c. 250 A.D. -- martyrdom of Maximus of Aquila

1952 -- death of Michael Rostovtzeff (author of The Social and Economic History of the Roman Empire and the Social and Economic History of the Hellenistic World among other things)