The national flag

National flag

A national flag is a flag that symbolizes a country. The flag is flown by the government, but usually can also be flown by citizens of the country.Both public and private buildings such as schools and courthouses may fly the national flag...

 of the Principality of Andorra

Andorra

Andorra , officially the Principality of Andorra , also called the Principality of the Valleys of Andorra, , is a small landlocked country in southwestern Europe, located in the eastern Pyrenees mountains and bordered by Spain and France. It is the sixth smallest nation in Europe having an area of...

was adopted in 1866. The flag is a vertical tricolour

Tricolour

A tricolour is a flag or banner more-or-less equally divided into three bands of differing colours...

 of blue, yellow, and red with the coat of arms of Andorra

Coat of arms of Andorra

The coat of arms of Andorra has existed for centuries. It supposedly violates the rule of tincture. This coat of arms has been the national coat of arms of Andorra since 1969. Below the shield arms stands Andorra's national motto Virtus Unita Fortior...

 in the centre. Although the three vertical bars may at first appear to be of equal width, the centre yellow bar is slightly wider than the other two so that the ratio of bar widths is 8:9:8. The overall flag ratio is 7:10.

The design is related to the flags of France and Spain, the two states that protect the independence of the small state. A flag of three bars is similar to that of the French Tricolore

Flag of France

The national flag of France is a tricolour featuring three vertical bands coloured royal blue , white, and red...

, while the pattern of a wider middle stripe can be noted on the Spanish flag

Flag of Spain

The flag of Spain , as it is defined in the Spanish Constitution of 1978, consists of three horizontal stripes: red, yellow and red, the yellow stripe being twice the size of each red stripe...

. The blue and red of the Andorran flag are also found on the French flag, with red and yellow also being the principal colors of the Spanish flag. From 1806 to 1866, Andorra's flag was a vertical bi-color

Bi-color

Bi-color is described as two-color by Merriam-Webster dictionary. Bicolor is also Latin for "having two colors".-Biology:* Bicolor cat, a cat with white fur combined with fur of some other colour including "tuxedo" cats...

 of yellow and red. The motto in the coat of arms in the middle stripe Virtus Unita Fortior means "Strength United is Stronger".

The design is similar to the flags of Romania

Flag of Romania

The national flag of Romania is a tricolour with vertical stripes: beginning from the flagpole, blue, yellow and red. It has a width-length ratio of 2:3....

, Moldova

Flag of Moldova

The state flag of Moldova is a vertical tricolor of blue, yellow, and red, charged with the coat of arms of Moldova on the center bar. The obverse is mirrored. The flag ratio is 1:2...

, Chad

Flag of Chad

The national flag of the Republic of Chad is a vertical tricolor consisting of a blue, a yellow and a red field. Blue was substituted for green to avoid confusion with neighboring states. The basic design is the same as that of the flag of Romania, the flag of Andorra, the flag of Moldova, and...

 and the flag of Queen's University in Ontario, Canada. All of these are vertical tricolours of blue, yellow, and red, but unlike that of Andorra, their flags all have stripes of equal breadth.

Other flags