International Mother Language Day was first announced by UNESCO on-

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21 February 1999

21 February 2000

17 November 2000

17 November 1999

Bangladesh University of Professionals (BUP) Faculty of Arts and Social Science (FASS) 2015-2016 সাধারণ জ্ঞান UNESCO-United Nations Educational, Scientific and Cultural Organization (ইউনেস্কো)

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International Mother Language Day was first announced by UNESCO on-

| এর সঠিক উত্তর 17 November 1999

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সাধারণ জ্ঞান

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