After creating the streltsy, he made a state within a state that was operated by (*) oprichiniks, as well as setting up the zemsky sobor.
This ruler allowed the Muscovy company to trade in Archangel and commissioned Saint Basil's Cathedral in Moscow to celebrate his destruction of the Kazan Khanate. This ruler was close to his deaf and mute brother Iuri and his grandmother was Sophia Paleologue. The unruly Shuisky brothers dominated the early part of this son of Vasily III's reign. After creating the streltsy, he made a state within a state that was operated by (*) oprichiniks, as well as setting up the zemsky sobor. He caused a miscarriage in his favorite son's wife and then managed to accidently kill his son. For ten points, name this ruler of Russia that was succeeded by Boris Gudonov.
This ruler allowed the Muscovy company to trade in Archangel and commissioned Saint Basil's Cathedral in Moscow to celebrate his destruction of the Kazan Khanate.
{Ivan IV} [accept {Ivan} the {Terrible} or {Ivan Groznyi}]