The <a href="https://en.wikipedia.org/wiki/Russian_Constitution_of_1906" id="mwqQ" rel="mw:WikiLink" title="Russian Constitution of 1906">Russian Constitution of 1906</a> is adopted (on April 23 by the <a href="https://en.wikipedia.org/wiki/Julian_calendar" id="mwqg" rel="mw:WikiLink" title="Julian calendar">Julian calendar</a>).