What war were the Valkyries in?

The Valkyries are figures from Norse mythology, often associated with the battlefields of the Viking Age. They were said to choose those who would die and those who would live in battles, guiding the souls of slain warriors to Valhalla, the hall of the slain. While they are not directly linked to a specific war, they symbolize the warrior culture and the valor associated with Viking warfare. Their role reflects the beliefs and practices surrounding death and honor in Norse society.