Flag of Belgium

The national flag of Belgium has three equal vertical bands of black, yellow, and red. The colours were taken from the colours of the Duchy of Brabant.

Belgium

Use	National flag
Proportion	13:15
Adopted	January 23, 1831
Design	A vertical tricolour of black, yellow, and red. Technically the national flag, but rarely seen.
Variant flag of Belgium
Use	National flag and civil ensign
Proportion	2:3 or similar
Design	As above. Much more common than the official version.
Variant flag of Belgium
Use	State ensign
Proportion	2:3