Bangladesh is a parliamentary democracy with a unicameral legislature.
Pahela Baishakh first day of the Bangla year. Pahela Baishakh is celebrated in a festive manner in both Bangladesh and West Bengal. In Bangladesh Pahela Baishakh is a national holiday. Pahela Baisakh falls on April 14 or 15.
Rivers are the most important geographical features in Bangladesh, and it is the rivers that created the vast alluvial delta.