Muammar Gaddafi, one of the world's longest-serving dictators, controls Libya for 42 years until his ouster in 2011.
German dictator Adolf Hitler's fascist policies lead to the invasion of peaceful nations and the deaths of six million Jews.
Iron-fisted ruler Josef Stalin leads the Soviet Union for 30 years, eliminating anyone who stands in his way.
Japanese Prime Minister Hideki Tojo authorizes the attack on Pearl Harbor and the torture of thousands of prisoners of war during World War II.
For 30 years, Mao Zedong, Supreme Leader of Communist China, harbored a reign of cruelty and hatred.
The story of the ruler of Iraq for 23 years, Saddam Hussein, who viciously ran his country with an utter contempt for humanity.
The rise and fall of Italian Prime Minister Benito Mussolini, whose involvement in the creation of fascism made him a role model to Adolf Hitler and other 20th-century dictators.
Osama bin Laden, a Saudi child from a privileged upbringing, eventually becomes the leader of the terrorist organization al-Qaida.
North Korean despot Kim Jung-il personally enriched himself, strengthened his country's military might, and let his people starve.
Medical doctor Francois Duvalier becomes a ruthless dictator, using violence and voodoo to keep the citizens of Haiti in fear.