Dannebrog is the national flag of Denmark, known for its simple yet striking design featuring a white cross on a red background. It is one of the oldest flags in the world, with origins dating back to the 13th century. The flag symbolizes Christianity and has become a significant emblem of Danish identity and pride. According to legend, Dannebrog fell from the sky during a battle in 1219, inspiring the Danish forces to victory. The flag is widely used in various celebrations and events, reflecting the rich history and culture of Denmark. It is also recognized as a symbol of unity among the Danish people.