entity_id,period_id,confidence,rationale,source_id,review_status ENT_ITA_CARMENTA,PER_ITA_ARCHAIC,high,Carmentalia as oldest-stratum festival; Evander migration narrative set before the Trojan War.,SRC_OVID_FASTI,reviewed ENT_ITA_FAUNUS,PER_ITA_ARCHAIC,high,Attested among the di indigetes; cult predates Roman Republic. Lupercalia among oldest Roman festivals.,SRC_OVID_FASTI,reviewed ENT_ITA_FLORA,PER_ITA_ARCHAIC,high,Flamen Floralis is evidence of very early cult; Floralia among oldest Roman festivals.,SRC_OVID_FASTI,reviewed ENT_ITA_OPS,PER_ITA_ARCHAIC,high,Opiconsivia/Opalia are among Rome's oldest calendar festivals; Sabine origin implies pre-Roman.,SRC_VARRO_ANTIQ,reviewed ENT_ITA_PICUS,PER_ITA_ARCHAIC,high,Latin genealogy in Virgil places Picus before Faunus and Latinus — archaic Latium tradition.,SRC_VIRGIL_AENEID,reviewed ENT_ITA_SILVANUS,PER_ITA_ARCHAIC,high,Cato De Agr. 83 ritual prescription for Silvanus is among the earliest Latin prose attestations of a deity cult.,SRC_VARRO_ANTIQ,reviewed