11. Ayatollah Ruhollah Khomeini (1902-1989)
Khomeini was responsible for bringing about the 1979 Iranian Revolution. He was the religious leader of Iran from 1979-1989. The Shia laws were made out to be very stringent and those in violation of it were tortured and killed. He refused the offer to make peace with Iraq, which led to the death of around a million people. The Islamic holy war killed over 2 million people. He succumbed to cancer.
12. Nero (37-68)
Nero wreaked havoc on the Roman Empire. He burnt entire cities, murdered thousands of people & every member of his family. It is believed that he started the great fire that burned Rome but blamed it on Christians, who were then brutally tortured. Nero committed assisted suicide when he knew the rebellion will be lost.
13. Saddam Hussein (1937-2006)
As the president of Iraq, Saddam Hussein was responsible for the genocide killings of approximately 2 million of his own citizens. It is said that he would record these executions and watch them at his house for amusement.
14. Mao Zedong (1893-1976)
Mao Zedong, also transliterated as Mao Tse-tung and commonly referred to as Chairman Mao, was a Chinese Communist revolutionary and the founding father of the People’s Republic of China, which he governed as Chairman of the Communist Party of China from its establishment in 1949 until his death in 1976.
15. Adolf Hitler (1889-1945)
Adolf Hitler was the Austrian-born politician and the leader of the Nazi Party. Hitler was at the center of Nazi Germany war policy, including creating and overseeing the Holocaust. In total, Hitler was directly responsible for the death of up to 11 million people but, due to his actions, he causes the death of over 50 million people during WWII.
There are many other evil men as well, who have butchered humanity at a level that is unimaginable. The evil men mentioned above have left nothing but blood on the pages of history. Hitler seems to be the most well known among this list. Here are some weapons used by him during world war II. Will definitely give you chills.