This ruler established at Kitai-gorod his country's first printing press, called the Print Yard.
This ruler corresponded vitriolically with a former friend, Andrey Kurbsky, who became a Lithuanian turncoat. One military action ordered by this ruler resulted after Archbishop Pimen was accused of treason. This ruler established at Kitai-gorod his country's first printing press, called the Print Yard. This ruler ordered the Sack of Novgorod during the Livonian War and established a secret police called the (*) oprichniki. This man was succeeded by the feeble-minded Feodor I, the last of his line, after he killed his intended heir by striking him on the head with a scepter. In 1547, he became the first ruler to convert the title of Grand Prince of Moscow to Tsar of Russia. For 10 points, name this Rurikid tsar of Russia, whose epithet refers to his might, not his horribleness.
This ruler corresponded vitriolically with a former friend, Andrey Kurbsky, who became a Lithuanian turncoat.
Ivan the Terrible [or Ivan IV; or Ivan Vasilyvich; or Ivan Grozny; prompt on "Ivan"]