It is the national book fair of Bangladesh, arranged every year by Bangla Academy and takes place for whole month of February in Dhaka. This event is dedicated to the martyrs who died on 21st February 1952, in a demonstration calling for the establishment of Bengali as one of the state languages of former United Pakistan. Boi Mela started merely as a book fair, it has evolved into a national cultural festival. Bangla Academy organizes literary and cultural events every day. Thousands of people gather to purchase books and to spend time in the company of books and their authors with a patriotic zeal. There is no entry fee. Usually, the fair continues from 1 February to the 28th; it is limited only in Bangla Academy’s boundary.