Demographic history of the Vilnius region languages to slavonic . Lithuanian language was defined as one of the dialects native Slavs. To the end of 19 century this slavic lithuanian language began to be determined as belarusian by Moscow Tsardom imperial ideologists, before this period there is no any reports the language mentioned in modern sense. In 2015 Polish linguist Miroslaw Jankowiak attested that many Poles of Vilnius region still speak a form of Belarussian vernacular called "mowa prosta" ('simple speech') by local people. Following the decline of the Polish-Lithuanian Commonwealth in late 18th century, the state had been divided among its neighbours in what is
International Mother Language Day holiday in the country since 1953, it is also known as Shohid Dibôsh (Martyr Day). On 17 November 1999, the UNESCO General Conference recognized 21 February as International Mother Language Day. Bangladeshis organize social gatherings honoring their language and culture, hold literary competitions, draw alpana on the roads, eat festive meals and listen to songs. International Mother Language Day was introduced to the Canadian Parliament for recognition by Matthew Kellway on February 5, 2014 as a private member's bill, C-573. In 2015, British Columbia and Manitoba issued proclamations observing International Mother Language Day on 21 February. Edmonton observed International Mother