The <a href="https://en.wikipedia.org/wiki/Gregorian_calendar" id="mwjg" rel="mw:WikiLink" title="Gregorian calendar">Gregorian calendar</a> is introduced in Russia by decree of the <a href="https://en.wikipedia.org/wiki/Council_of_People's_Commissars" id="mwjw" rel="mw:WikiLink" title="Council of People's Commissars">Council of People's Commissars</a> effective <a href="https://en.wikipedia.org/wiki/February_14" id="mwkA" rel="mw:WikiLink" title="February 14">February 14</a> (New Style).