This ruler fought against Stefan Bathory after he invaded Courland and that conflict ended with the Treaty of Jam Zapolski.
This ruler fought against Stefan Bathory after he invaded Courland and that conflict ended with the Treaty of Jam Zapolski. In addition to fighting the Livonian War, he annexed Astrakhan onto his empire and named Simoen Bekbulatovich czar for two years. He slaughtered some people at Novgorod, formed the oprichna and killed his son after he might have caused his wife's miscarriage. For ten points, name this father of Fyodor who built St. Basil's Cathedral, a czar named for his cruelty.
This ruler fought against Stefan Bathory after he invaded Courland and that conflict ended with the Treaty of Jam Zapolski.
{Ivan} the {Terrible} or {Ivan} the {IV} or {Ivan Grozny}