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
Determination of the day of the week day of the week begins by starting from an ‘anchor date’: a known pair (such as January 1, 1800 as a Wednesday), determining the number of days between the known day and the day that you are trying to determine, and using arithmetic modulo 7 to find a new numerical day of the week. One standard approach is to look up (or calculate, using a known rule) the value of the first day of the week of a given century, look up (or calculate, using a method of congruence) an adjustment for the month, calculate the number of leap years