He created a new unit of musketeers named the Streltsy, after Andrey Kurbsky defected he decided to control the boyars with the Oprichnina, and he confessed his sins to the Zemski Sobor.
Prince Shovisky was the president of one of this ruler's early councils. Gregory XIII intervened for peace talks between this ruler and Stephen Bathory, who led the Poles against him in the Livonian War. He created a new unit of musketeers named the Streltsy, after Andrey Kurbsky defected he decided to control the boyars with the Oprichnina, and he confessed his sins to the Zemski Sobor. He commemorated his taking of Astrakhan and Kazan with the construction of St. Basil's Cathedral and his retarded son lost power to Boris Godunov during the Time of Troubles. FTP, name this violent Rurik Russian grand prince of Moscow and the first proclaimed Czar of Russia.
Prince Shovisky was the president of one of this ruler's early councils.
{Ivan IV} Vasilyevich the Terrible [or {Ivan the Terrible}; or {Ivan Grozny}]