entity_id,period_id,confidence,rationale,source_id,review_status ENT_THRA_GEBELEIZIS,PER_THRA_IRON_AGE,high,"Herodotus 4.94 (c. 430 BCE): sole attestation, in the context of Getae religion alongside the Zalmoxis tradition.",SRC_HERODOTUS_HISTORIES,reviewed