According to Danish legend, in the early 13th century, the Danish king Valdemar Sejr (Valdemar the Victorious) led his army on a crusade in present-day Estonia. During a battle on June 15, 1219, the Danes were on the defensive when suddenly a red banner with a white cross fell from the sky, changing their luck and leading to a Danish army victory.
Denmark adopted it as its flag. which is considered to be the world's oldest national flag still in use, by now over 800 years. The name of the Danish flag is Dannebrog. The word itself translates to "Danish cloth" or "well-made cloth". More
