This ruler curbed the power of the Belsky and Shuisky families by initiating the Oprichnina.
The explorer Yermak claimed Siberia for this man, and this man's forces captured Kazan. This ruler curbed the power of the Belsky and Shuisky families by initiating the Oprichnina. This man created the Zemsky Sobor, Russia's first parliament. This man supposedly had the architect of Saint Basil's Cathedral blinded so that he could never recreate the feat. The Time of Troubles was initiated when this ruler's son, Feodor I, died, leaving no heir. For 10 points, name this first czar of Russia, who had an incredibly cruel reputation.
The explorer Yermak claimed Siberia for this man, and this man's forces captured Kazan.
{Ivan IV} Vasilyevich of Russia [or {Ivan} the {Terrible}; or {Ivan Grozny}; prompt on {Ivan}]