A national flag is a flag that represents and symbolizes a country. The national flag is flown by the government of a country, but can usually also be flown by citizens of the country. A national flag is designed with specific meanings for its colours and symbols. The colours of the national flag may be worn by the people of a nation to show their patriotism, or related paraphernalia that show the symbols or colours of the flag may be used for those purposes.
The design of a national flag may be altered after the occurrence of important historical events. The burning or destruction of a national flag is a greatly symbolic act.
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