ante diem xviii kalendas maias

ludi Cereri continue (day 3) -- games in honour of the grain goddess Ceres, instituted by/before 202 B.C.
69 A.D. -- first battle at Bedriacum; the forces of emperor wannabe Vitellius eventually would defeat the forces of emperor wannabe Otho
73 A.D. -- mass suicide at Masada (?)
195 A.D. -- Julia Domna, wife of the emperor Septimius Severus, is given the title mater castrorum ("mother of the camp")