470/469 B.C. — birth of Socrates (according to one estimate)

466 B.C. — dedication of the Temple of Dius Fidius … a.k.a. Semo Sancus (and associated rites thereafter)

17 B.C. — ludi Latini et Graeci honorarii (day 1)

204 A.D. — ludi Latini et Graeci honorarii (day 2)