Flag of Luxembourg Flag of Luxembourg The flag of Luxembourg (, , ) consists of three horizontal stripes, red, white and blue, and can be in 1:2 or 3:5 ratio. It was first used between 1845 and 1848 and officially adopted on 23 June 1972. Luxembourg had no flag until 1830, when patriots were urged to display the national colours. The flag was defined as a horizontal tricolour of red, white, and blue in 1848, but it was not officially adopted until 1972. The tricolour flag is almost identical to Flag of the Netherlands, except that it is longer and its blue stripe
Tricolour (flag) (red-blue-yellow), the Cisalpine Republic 1797 (Transpadane Republic, green-white-red), the Cisrhenian Republic 1797 (green-white-red), the Anconine Republic 1797 (blue-yellow-red), the Roman Republic 1798 (black-white-red), the Helvetic Republic 1798 (green-yellow-red; canton of Neuchatel 1848), the Parthenopean Republic 1799 (blue-yellow-red), the Principality of Lucca and Piombino 1805 (blue-white-red). Thus providing the format for most of modern Europe's national flags, from the flag of Italy, to the flag of Germany, flag of Ireland, flag of Belgium, flag of Romania, flag of Bulgaria, flag of Moldova, and others around the World such as the flag of Cameroon, flag of Chad, flag of Ivory Coast, flag