Valdemar II was a king of Denmark who reigned from 1202 to 1241. He is known for his efforts to expand Danish territory and strengthen the monarchy. Valdemar II led military campaigns in Scania and Estonia, aiming to increase Denmark's influence in the Baltic region. During his reign, Valdemar II faced challenges, including conflicts with the Danish nobility and rival powers. His reign was marked by both military successes and setbacks, ultimately leading to his capture during a campaign in Germany. Valdemar II's legacy includes his role in shaping the medieval Danish state.