<Tr> <Th> Frequency </Th> <Td> Annual </Td> </Tr> <P> International Mother Language Day (IMLD) is a worldwide annual observance held on 21 February to promote awareness of linguistic and cultural diversity and promote multilingualism . First announced by UNESCO on 17 November 1999, it was formally recognized by the United Nations General Assembly in a resolution establishing 2008 as the International Year of Languages . </P> <P> International Mother Language Day has been observed annually since 2000 to promote peace and multilingualism around the world and to protect all mother languages . It is observed on February 21 to recognize the 1952 Bengali Language Movement in Bangladesh . </P> <P> The day was proclaimed by the General Conference of the United Nations Educational, Scientific and Cultural Organization (UNESCO) in November 1999 (30C / 62). In its resolution A / RES / 61 / 266, the United Nations General Assembly called on its member states "to promote the preservation and protection of all languages used by people of the world" on 16 May 2009 . In the resolution, the General Assembly proclaimed 2008 as the International Year of Languages to promote unity in diversity and international understanding through multilingualism and multiculturalism . The resolution was suggested by Rafiqul Islam, a Bengali living in Vancouver, Canada . He wrote a letter to Kofi Annan on 9 January 1998 asking him to take a step for saving the world's languages from extinction by declaring an International Mother Language Day . Rafiq proposed the date as 21 February to commemorate the 1952 killings in Dhaka during the Language Movement . </P>

1952 21 february which day in bengali date
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