This is the day that celebrates mother languages all around the world, and it commemorates the date on the 21st of February 1952, that is, 60 years ago, when a group of students protesting in Dacca, in what is now Bangladesh, in the fact that they were being forced to use Urdu, the national language of Pakistan, since it was then East Pakistan, and not able to use their mother tongue, which is Bengali or Bangla. 