This ruler ordered the building of St. Basil's Cathedral, and Novgorod was sacked by his secret police, the oprichniki ["oh-PREECH-neek-ee"].
This ruler had church reform laws passed by a council called the Stoglav, or Hundred Chapters Council. During his reign, the Cossack Yermak won a battle at Qashliq ["kahsh-LEEK"], which led to the conquest of Siberia. This ruler undertook a military action after the defection of the archbishop Pimen. This ruler legendarily blinded the architect of a cathedral designed to commemorate his conquest of (*) Kazan. This ruler ordered the building of St. Basil's Cathedral, and Novgorod was sacked by his secret police, the oprichniki ["oh-PREECH-neek-ee"]. This tsar's murder of his heir led to his succession by Fyodor I and the beginning of the Time of Troubles. For 10 points, name this Tsar of Russia, who was known for his cruelty.
This ruler had church reform laws passed by a council called the Stoglav, or Hundred Chapters Council.
Ivan the Terrible [or Ivan IV; or Ivan Grozny; or Ivan the Awesome; prompt on "Ivan"] 