A national flag is a flag that represents and symbolizes a given nation. It is flown by the government of that nation, but can also be flown by its citizens. A national flag is typically designed with specific meanings for its colours and symbols, which may also be used separately from the flag as a symbol of the nation. The design of a national flag is sometimes altered after the occurrence of important historical events.
The national flag of Belgium is a tricolour consisting of three equal vertical bands displaying the national colours of Belgium: black, yellow, and red. The colours were taken from the coat of arms of the Duchy of Brabant, and the vertical design may be based on the flag of France. When flown, the black band is nearest the pole. It has the unusual proportions of 13∶15.
The national flag of Romania is a tricolour. The Constitution of Romania states that "The flag of Romania is tricolour; the colours are arranged vertically in the following order from the flagpole: blue, yellow, red". The flag has a width-length ratio of 2:3; the proportions, shades of colour as well as the flag protocol were established by law in 1994, and extended in 2001. Its similarity to the flag of Chad has caused international discussion.
The flag of Tunisia is a rectangular panel of red color with an aspect ratio of 2:3. In the center of the cloth in a white circle is placed a red crescent, surrounding a red five-pointed star on three sides. The Tunisian Bey Hussein II decided to create a flag for Tunisia, close in appearance to the modern one, after the Battle of Navarino on 20 October 1827; in 1831 he was officially approved. In that form, the flag existed during the French protectorate, and on 1 June 1959, it was proclaimed the state flag of the Republic of Tunisia. On 30 June 1999, the proportions and design of the flag were clarified by a special law. The general appearance of the flag remained virtually unchanged.
The national flag of Andorra features a vertical tricolour of blue, yellow, and red with the coat of arms of Andorra in the center. 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 with an overall flag ratio of 7:10.
The national flag of Angola came into use when Angola gained independence on November 11, 1975. It is split horizontally into an upper red half and a lower black half with an emblem resting at the center. It features a yellow half gear wheel crossed by a machete and crowned with a star.
The national flag of Ecuador, which consists of horizontal bands of yellow, blue and red, was first adopted by law in 1835 and later on 26 September 1860. The design of the current flag was finalized in 1900 with the addition of the coat of arms in the center of the flag. Before using the yellow, blue and red tricolor, Ecuador's former flag had three light blue stripes and two white stripes with three white stars for each province of the country. The design of the flag is very similar to those of Colombia and Venezuela, which are also former constituent territories of Gran Colombia. All three are based on a proposal by Venezuelan General Francisco de Miranda, which was adopted by Venezuela in 1811 and later Gran Colombia with some modifications. There is a variant of the flag that does not contain the coat of arms that is used by the merchant marine. This flag matches Colombia's in every aspect, but Colombia uses a different design when her merchant marine ships are at sail.
The flag of Honduras consists of three equal horizontal stripes of cyan, white and cyan, with five cyan stars in a quincuncial pattern at the centre of the middle stripe. The two outer bands represent the Pacific Ocean and the Caribbean Sea, and also represent the blue sky and brotherhood. The inner band represents the land between the ocean and the sea, the peace and prosperity of its people, and purity of thoughts. The five stars represent the five nations of the former Federal Republic of Central America and the hope that the nations may form a union again.
The national flag of Spain, as it is defined in the Constitution of 1978, consists of three horizontal stripes: red, yellow and red, the yellow stripe being twice the height of each red stripe. Traditionally, the middle stripe was defined by the more archaic term of gualda, and hence the popular name la Rojigualda (red-weld).
The national flag of Mexico is a vertical tricolor of green, white, and red with the national coat of arms charged in the center of the white stripe. While the meaning of the colors has changed over time, these three colors were adopted by Mexico following independence from Spain during the country's War of Independence, and subsequent First Mexican Empire.
The coat of arms of The Hague is the official symbol of the city of The Hague.
The flag of the state of São Paulo, Brazil, serves as one of the state's symbols, along with the state's coat of arms and anthem. It was designed by the philologist and writer Júlio Ribeiro in 1888, with his brother-in-law, Amador Amaral, a graphic artist. The flag has thirteen black and white stripes and a red rectangle in the upper left corner holding a white circle enclosing an outline map of Brazil in blue. There is a yellow star in each corner of the red rectangle.
The flag that serves as the symbol of the historical and geographical regions of the Silesia, and Lower Silesia, and as one of the symbols of the Silesian people, is divided horizontally into two stripes: white on the top and yellow on the bottom. It originated as the flag of the Province of Silesia, used from 1882 to 1919, that later used as the flag of the Province of Lower Silesia, from 1920 to 1935. Currently, the flag is recognized symbol of the Silesian people in the state of Saxony in Germany.
The flag that serves as the symbol of the historical and geographical region of the Upper Silesia, and as one of the symbols of the Silesian people, is divided horizontally into two stripes: yellow on the top and blue on the bottom. It originated as the flag of the Province of Upper Silesia adopted in 1920, with its colours based on the coat of arms of Upper Silesia. The flag is also popular symbol used by the Silesian Autonomy Movement.
The flag of Wrocław is formed by two horizontal bands of equal width — yellow on the bottom and red on the top. On the vertical banners, the red stripe is on the left, the yellow stripe on the right.
The civil flag of the Silesian Voivodeship, Poland is triband rectangle, divided into three horizontal stripes, that are from top to bottom: blue, yellow, and blue. The blue stripes are twice the size of the yellow middle stripe. The state flag is a blue rectangle with yellow eagle placed in its centre. It was designed by Barbara Widłak, and adopted on 11 June 2001.
The civil flag of the Opole Voivodeship, Poland is a rectangle divided into two horizontal stripes, with yellow on the top, and blue at the bottom. The top stripe is twice the size of the bottom one.
The flag that serves as the symbol of the historical and geographical region of the Western Pomerania is divided horizontally into two stripes: light blue on the top and white on the bottom. It originated as the flag of the Province of Pomerania, Prussia, used from 1882 to 1935. Since 1996, it is officially recognized as the symbol of the historical region of Western Pomerania within Mecklenburg–Western Pomerania, Germany.
The flag of the president of Colombia consists, like the flag of Colombia, of a rectangle in yellow, blue and red triband in a 2:1:1 ratio, meaning three horizontal stripes, with yellow at the top occupying half the width of the flag, blue at the bottom. middle occupying a quarter of the width and red below, occupying the last quarter, finished off in the central part with the coat of arms of Colombia.
The Color and Flag of the President of Colombia shall consist of three horizontal bands, with yellow occupying half of the upper part, and the other two colors the other half, divided into equal bands, blue in the center and red in the lower part, as well as the Coat of Arms in the central part. The proportions of the elements of the Coat of Arms will be in direct relation to the hoisting, and the flight will vary according to the customs of the military and naval services.
