entity_id,period_id,confidence,rationale,source_id,review_status ENT_FINN_ILMATAR,PER_FINN_TRADITIONAL,high,The Ilmatar/world-egg cosmogony in Kalevala Runo 1 reflects pre-Christian Finno-Ugric cosmogonic tradition; close parallels in Estonian (Vanemuine) and Votic cosmogonies confirm antiquity.,SRC_KALEVALA,reviewed