οὐρανίων

From LSJ

μεγάλα ὠφελήσεσθε πρὸς ἱστορίαν τῶν κοινῶν → that will be of great benefit to you in order to understand public affairs

Source

English (Autenrieth)

ωνος: heavenly; as subst., Οὐρανίωνες, the Celestials, i. e. the gods, Il. 5.373, 898.