International Mother Language Day is celebrated every year on 21st February. The main purpose of celebrating this day is to promote the awareness of language and cultural diversity all across the world. Death of four protestors Rafiq, Jabber,Barkat & Salam of the University of Dhaka who were shot by the police. The students' deaths during the fight for their mother language are now remembered as The International Mother Language Day. The Shaheed Minar in Dhaka pays respect to those four protestors killed for the sake of their mother language.