Explore the most shocking Ivan the Terrible facts that defined the legacy of Russia’s first tsar. From his violent rise to power to his ruthless rule and mysterious outbursts of cruelty, Ivan IV shaped Russian history with both terror and reform. Learn about his early life, the creation of the Oprichnina, and the tragic killing of his own son. These unforgettable Ivan the Terrible facts reveal the complex and chilling story behind one of history’s most notorious rulers.