ante diem xiii kalendas maias
- ludi Cereri (day 8)– games in honour of the grain goddess Ceres, instituted by/before 202 B.C.
- Cerealia — the actual date of the Cerealia is uncertain, but it ‘reenacted’ Ceres’ search for her daughter Proserpina, with apparently all participants and spectators dressed in white.
- 69 A.D. — Vitellius is recognized as emperor by the senate in Rome
… we also note today is the commemoration of an (undated) Roman soldier saint Expeditus