After the death of Tsarina Anastasia at the hands of the boyars, Ivan IV was furious. With his 2nd wife, he started the Oprichnina, and one of Russia's darkest periods in history, resulting in the deaths of nobles, peasants, and even his own family. But it wouldn't be until his 8th marriage that his brutal rule came to an end. Don't worry, we somehow still found a few laughs in there!