entity_periods: ENT_NORR_NINE_WORLDS, PER_NOR_VIKING

Period assignments linking entities to the historical periods when they are attested. An entity may span multiple periods. All Greek entities are assigned; Egyptian tradition is fully covered; total coverage exceeds 70%.

Data license: MIT · Data source: jebboone/deitydb

This data as json

entity_id	period_id	confidence	rationale	source_id	review_status
ENT_NORR_NINE_WORLDS	PER_NOR_VIKING	high	Hub collective for the nine cosmological worlds bound by Yggdrasil; Vafþrúðnismál 43 and Völuspá 2 attest 'nine worlds' (níu heimar / níu íviðjur) though no single source enumerates them identically. Standard reconstruction (Asgard, Vanaheim, Alfheim, Midgard, Jotunheim, Svartalfheim/Nidavellir, Niflheim, Muspelheim, Hel) is modern-scholarly synthesis of Eddic material.	SRC_POETIC_EDDA	reviewed