This ruler hosted Richard Chancellor in his capital after Chancellor landed on the White Sea coast.During his rule, church reforms were passed by a council called the Stoglav, or Hundred ChaptersCouncil, and a law code called the Sudebnik was implemented. His eastern campaigns includedconquering the khanates of (*) Astrakhan and Kazan, and on his western border he reached anagreement with Stephan Bathory to end the Livonian War. This man temporarily abdicated after fleeingto Alexandrovsk; when he returned, he divided his realm into the zemschina and oprichnina. During thereign of this man's successor, Boris Godunov served as regent. For 10 points, name this tsar who 
This ruler hosted Richard Chancellor in his capital after Chancellor landed on the White Sea coast.During his rule, church reforms were passed by a council called the Stoglav, or Hundred ChaptersCouncil, and a law code called the Sudebnik was implemented. His eastern campaigns includedconquering the khanates of (*) Astrakhan and Kazan, and on his western border he reached anagreement with Stephan Bathory to end the Livonian War. This man temporarily abdicated after fleeingto Alexandrovsk; when he returned, he divided his realm into the zemschina and oprichnina. During thereign of this man's successor, Boris Godunov served as regent. For 10 points, name this tsar who wassucceeded by his son Fyodor after he accidentally killed his son.
This ruler hosted Richard Chancellor in his capital after Chancellor landed on the White Sea coast.
Ivan the Terrible or Ivan IV [or Ivan Grozny] 