ante diem xvii kalendas quinctilias

• Quinquatrus minusculae (day 3 of a five-day festival honouring the birthday (maybe) of Minerva )

• Quando stercus delatus fas ("When the ‘trash’ is taken out") and the Temple of Vesta is closed to the public

• 302 A.D. — martyrdom of Hesychius

• 303 A.D. — martyrdom of Vitus (and companions)