Tricolour (flag) orange-white-blue design of the Prince's Flag ("Prinsenvlag", predecessor of the flags of the Netherlands and Luxembourg), used from 1579 by William I of Orange-Nassau in the Eighty Years' War, establishing the independence of the Dutch Republic from the Spanish Empire. Though not the first tricolour flag, one of the most famous, known as "Le Tricolore", is the blue, white and red (whence also called "Le Bleu-Blanc-Rouge") flag of France adopted in the French Revolution. With the formation of French client republics after 1795, the revolutionary tricolour was exported and adopted more widely in Europe, by the Republic of Alba 1796
Flag of the Republic of the Congo Flag of the Republic of the Congo The national flag of the Republic of the Congo consists of a yellow diagonal band divided diagonally from the lower hoist-side corner, with a green upper triangle and red lower triangle. Adopted in 1959 to replace the French Tricolour, it was the flag of the Republic of the Congo until 1970, when the People's Republic of the Congo was established. The new regime changed the flag to a red field with the coat of arms of the People's Republic in the canton. This version was utilized until the regime collapsed in 1991. The