The flag of the United Kingdom is made up of 3 different flags, while the four national flags of Northern Europe, Finland, Norway, Sweden and Denmark, have in common that they all have a cross.
Learn the symbols in the national flags of the countries
The national flag of Japan, white represents the honesty and integrity of Japanese people, the red circle is the symbol of the sun.
Nationalist Italy, green represents trees and mountains, white represents the Apls, red represents the blood that has fallen during the war of independence.
The flag of Poland, white symbolizes purity, red is the symbol of blood and heroism.