Each week, whether we know it or not, we pay a small tribute to several gods from the ancient Norse pantheon. In fact, four days of the week are named after deities from Norse mythology. Tuesday comes from Tyr, the Norse god of war, while Wednesday is named after Odin , a powerful deity who was the father of many other Norse gods and ruled over Valhalla, the hall of slain warriors (the name is derived from the Anglo-Saxon word “Wodnesdaeg,” meaning “Woden’s day”). Thursday’s namesake is Thor, the Norse god of Thunder, and Friday is named for Frigg, the wife of Odin and the Norse goddess of marriage and fertility.