The French flag or tricolour flag blue, white, red, is the national emblem of France from the article 2 of the French Constitution of 1958. Composed of three vertical bands with same seize, its creation come back to the French Revolution.
The blue band exists since the crowning of Clovis, it reminds the Chape of Saint Martin, a relic that Clovis asked to take out his tomb in the memory of the coat that the saint (Saint Martin) has shared with a poor in front of Amiens.
The white was from 1638 to 1790 the colour of the royal flag and some marine flag. From 1814 to 1830, it also has been the colour of the royal army. The white symbolises the France and also in order of divine, of God, from which the choice of this colour as the symbol of the Kingdom. The King's power was coming from the hand of God.
It's from the reign of Hugues Capet, and then under his decent, that the Kings of France raise the oriflamme. This banner of red-orange colour is given to the Abbaye de Saint-Denis, prestigious abbey raised by Dagobert the 1st. Since Henri IV (1589-1610), the domestic staff under the King of France authority were dressed of white livery ornate of blue and red. The French Guards had adopted the three colours on their uniform and the emblem of their regiment. They keep the colours after the French Revolution and become the National Guard.