ante diem xv kalendas apriles

• Festival of Mars (Day 19)

• Quinquatrus (Day 1) — a festival celebrating Minerva’s birthday (maybe)

• rites in honour of Minerva (obviously connected to the above)

• 11 B.C.E. — Herod dedicates his renovated Temple in Jerusalem

• 303 A.D. — Martyrdom of Pancharius of Nicomedia

• 363 A.D. — fire destroys the Temple of Apollo on the Palatine