Size: 6.5 x 4 cm (2.56 x 1.57 inch)
The Bangladesh flag consists of a red circle on a green base. The circle is placed slightly to the left side of the Bangladesh flag so when the flag is flying on a mast the circle will appear to be in the center.
Meaning: The green base color of the Bangladesh flag symbolizes the greenery of Bangladesh with its vitality and youthfulness. The red circle represents the rising sun and the blood as well as the sacrifices that the Bangladesh people have made in order to gain independence.
History: The present day Bangladesh flag was adopted on Jan 17, 1972, after gaining independence from Pakistan in 1971.
Interesting Facts: Many western writers have misinterpreted the Bangladesh flag's green base as symbolizing the color of Islam, which is essentially incorrect. (source: worldflags101)