ante diem v kalendas apriles
- 37 A.D. — arrival of Gaius (Caligula) in Rome
- 193 A.D. — murder of the emperor Pertinax; recognition of Didius Julianus as Augustus
- 364 A.D. — elevation of Valens to the rank of Augustus
- … in the early Church, this was one of the days claimed as the day of Jesus’ birth …
