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
Republicanism in the United Kingdom tricolour was used throughout England, Wales and Ireland in defiance of the royal establishment. During the 1816 Spa Fields riots, a green, white and red horizontal flag appeared for the first time, soon followed by a red, white and green horizontal version allegedly in use during the 1817 Pentrich rising and the 1819 Peterloo Massacre. The latter is now associated with Hungary but then it became known as the British Republican Flag. It may have been inspired by the French revolutionary tricolour, but this is unclear. It was however often accompanied by slogans consisting of three words such as "Fraternity