On June 7,1238 by the Treaty of Stensby the Teutonic knights returned the Duchy of Estonia to Valdemar II until in 1346 the lands were sold back to the order and became part of the Ordenstaat.
On June 7,1238 by the Treaty of Stensby the Teutonic knights returned the Duchy of Estonia to Valdemar ­ II of Denmark. In 1346 the lands were sold back to the order and became part of the Ordenstaat.