ante diem ix kalendas junias

Quando Rex Comitavit Fas -- the rex sacrorum had to perform some sort of ceremony before the day's legal business could be conducted (possibly a formal dismissal of the Comitia in the wake of yesterday's Tubilustrium?)

15 B.C. -- birth of the emperor-to-be-who-never-was Germanicus (brother of the emperor Claudius)

299 A.D. -- martyrdom of Donation and Rogatian