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
Cross-border flag for Ireland Union Flag be used in conformance with its regulations. The Show Jumping Association of Ireland (SJAI; subsequently renamed Showjumping Ireland) used a green flag with its crest based on the four provinces when competing internationally, from its formation after the Second World War. In FEI Nations Cup events, Ireland was represented by the Irish Army Equitation School under the tricolour. From the late 1960s, the SJAI joined forces with the army in FEI competitions and competed under the tricolour, although it retained its own flag in other competitions until the late 1970s. Cross-border flag for Ireland There is no cross-border