Flag of Bangladesh
The national flag of Bangladesh (Bengali: বাংলাদেশের জাতীয় পতাকা) was adopted officially on 17 January 1972.  The red disc is for the sun rising over Bengal.  It also is for the blood of those who died for the independence of Bangladesh. The green field stands for the lushness of the land of Bangladesh. It also indicates the freshness of the youths and vitality of the nation.