Vikings believed the aurora was the reflection of the armor and shields of the Valkyries as they led fallen warriors to Valhalla.
History of the Northern Lights: myths and legends - Hurtigruten Aurora Borealis
Finnish legend tells of a mythical fox—called revontulet —running across the Arctic fells. As its tail brushes against mountains, it sends sparks flying into the sky , creating the shimmering lights. Vikings believed the aurora was the reflection of
For the Algonquin people, the lights are a reflection of a massive fire lit by their creator , Nanahbozho, to remind them he is still watching over them from the far north. Folklore and Omens Aurora Borealis