

A flag is a piece of coloured cloth with a special design that is put on a pole as a symbol to represent a nation or group of people.
Flags first appeared more than 2000 years ago in China, and in Europe under the Roman Empire. Flags also have meanings, the colors and the shapes they use. For example, the Japan flag has a white backgroud and a red circle in the middle. The red cirle is the red sun and the white background means honesty and purity.
There are many types of flags: State