Valdemar III was a Danish king who ruled from 1326 to 1329. He was the son of Valdemar II and became king at a young age after his father's death. His reign was marked by political instability and conflicts with the nobility, which ultimately led to his abdication. After his abdication, Valdemar III lived in exile for many years. He was later involved in various military campaigns and attempts to regain his throne, but he never succeeded. His short reign is often overshadowed by the challenges he faced during his time as king.