Russian ruler (4)
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">russian ruler</span>' is the definition.<br/ ><span class="explanation-format__explanation">(I've seen this before)</span><br/ ><br/ >This is all the clue.<br/ ></span>
(Other definitions for tsar that I've seen before include "Once-powerful Russian" , "Tyrant" , "Person in charge" , "Russian monarch" , "Russian ruler (S, not Z)" .)
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">russian ruler</span>' is the definition.<br/ ><span class="explanation-format__explanation">(I've seen this in another clue)</span><br/ ><br/ >This is the entire clue.<br/ ></span>
(Other definitions for lenin that I've seen before include "Vladimir Ilich Ulyanov" , "Revolutionary man" , "First Soviet leader" , "Marxist theoretician" , "Vladimir Ilyich Ulyanov, d. 1924" .)