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 and the sun. During this period, the colours of the flag were very pale, with the red appearing closer to pink in practice. There were three variants of the flag in use. The state flag was a tricolour with the lion and sun emblem in the centre. The national flag and civil ensign was a plain tricolour with no emblem. The naval ensign and war flag was similar to the state flag, but the emblem was surrounded by a wreath and surmounted by a crown. All three flags had a 1:3 ratio. The flag was modified twice during the Pahlavi