World’s Deadliest Dictators Who was the dictator of Nazi Germany responsible for the Holocaust and the deaths of millions of people during World War II? Adolf Hitler Benito Mussolini Francisco Franco Joseph Stalin None Who is famously known as the "Butcher of Uganda" and was responsible for the deaths of an estimated 300,000 to 500,000 people? Idi Amin Ivan the Terrible Joseph Stalin None Who was the leader of the Khmer Rouge regime in Cambodia and responsible for the Cambodian genocide? Joseph Stalin Pol Pot Mao Zedong Kim Jong-il None Who was the Russian leader infamous for his reign of terror, including mass executions and forced labor camps, during the Soviet era? Joseph Stalin Ivan the Terrible Vladimir Lenin Leon Trotsky None Who was the Chinese communist leader responsible for the deaths of millions during the Great Leap Forward and the Cultural Revolution? Joseph Stalin Kim Jong-il Mao Zedong Fidel Castro None Time's up Most Popular Most Popular
