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
Flag of Iran which looked the same as the naval ensign but without the lion and sun in the middle. The first version of the modern Iranian tricolour was adopted in the wake of the Iranian Constitutional Revolution of 1906. The Supplementary Fundamental Laws of 7 October 1907 described the flag as a tricolour of green, white, and red, with a lion and sun emblem in the middle. A decree dated 4 September 1910 specified the exact details of the emblem, including the shape of the lion's tail ("like an italic S") and the position and the size of the lion, the sword,