Countries

Denmark

The Dannebrog, Denmark's flag, is by tradition the oldest continuously used national flag in the world, dating to 1219. The 1849 constitution established one of Europe's oldest constitutional monarchies, still centered on Copenhagen.

Colorful 17th-century townhouses lining the Nyhavn canal in Copenhagen

Nyhavn canal, Copenhagen

Photo: Moahim, CC BY-SA 4.0

The Dannebrog is, by tradition, the oldest continuously used national flag in the world, dating to 1219. Nordic neighbors later adopted the same off-center-cross design for their own flags.

How it has changed

Lens