The red banner with a white cross (Dannebrog) has been the national flag of the Danes since 1219.
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Valdemar enjoys a central position in Danish history because of his position as ”the king of Dannebrog” and as a legislator.
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Jacob Nielsen, Count of Halland (died c. 1309), great grandson of Valdemar II of Denmark
Dagmar of Bohemia (also known as Margaret; 1186-1212/13), daughter of Ottokar I of Bohemia and Adelheid of Meissen, married to Valdemar II of Denmark