periods: PER_CEL_MEDIEVAL_WELSH

56 historical periods covering all traditions, from the Predynastic Egyptian period (c. 3200 BCE) to the 20th-century occultist reception layer. Used to anchor entity classifications and relationships in time.

This data as json

period_id	tradition	period_name	start_year	end_year	notes
PER_CEL_MEDIEVAL_WELSH	Celtic/Welsh	Medieval Welsh	1050	1400	Period of the Four Branches of the Mabinogi and other Welsh mythological texts preserved in the White Book of Rhydderch (c. 1350) and Red Book of Hergest (c. 1382). Linguistic evidence dates the Four Branches composition to c. 1050-1120 CE; oral traditions behind them are older.

Links from other tables

39 rows from period_id in entity_periods
28 rows from period_id in entity_relationships