ante diem vi kalendas maias
ca. 89 A.D. — martyrdom of Cletus
121 A.D. — birth of the future emperor Marcus Aurelius

quidquid bene dictum est ab ullo, meum est
ca. 89 A.D. — martyrdom of Cletus
121 A.D. — birth of the future emperor Marcus Aurelius

ante diem xi kalendas maias
Happy ‘Hug a Classicist Day’!!!
… we also note today is the commemoration of an (undated) Roman soldier saint Expeditus

ante diem xviii kalendas maias