Flag of Monaco
The colors of the flag of Monaco taken from the coat of arms of Prince Grimaldi family has ruled Monaco since the 1297th
The colors are attested to 1339, however, was different from the color arrangement in today's national flag.
The flag in its current form was born on 4 April 1881 set by regulation.
The same color arrangement also show the flag of Indonesia, but has an official aspect ratio of 2:3, and the national flag of Hesse with the 3:5 aspect ratio.