Flag of Poland city of Maastricht used a similar design between 1938 and 1994 but reinstitated its old flag to avoid confusion. There are currently two independent states – Indonesia and Monaco – whose national flags are horizontal bicolors of red and white, reversing the Polish flag. The Monaco and Indonesia flags differ in proportions and shades of the colors (see Flag of Indonesia and Flag of Monaco). Flag of Poland The flag of Poland consists of two horizontal stripes of equal width, the upper one white and the lower one red. The two colors are defined in the Polish constitution as the
Flag of the Netherlands the national coat of arms on the white stripes. From the same period dates the custom, prescribed spontaneously by popular will, to fly an orange pennant together with the national flag as a sign of allegiance of the people to the House of Orange. The pennant is added on King's Day (Dutch: "Koningsdag", April 27) or other festive occasions related to the Royal Family. On February 19, 1937, a Royal Decree issued by Queen Wilhelmina finally laid down the red, white and blue colours as the national flag (heraldic colours of bright vermilion, white and cobalt blue). The flag of