1.) Khmer Rouge’s Pol Pot
Pol Pot is one of the most ruthless rulers in the world. He was the leader of the Khmer Rouge and the Prime Minister of Cambodia from 1976 to 1979. During his bloody regime, it is estimated that about 2 million Cambodians died of slave labor, malnutrition, poor medical care and executions. Executions were conducted using hammers, axe handles, spades or sharpened bamboo sticks.
2.) Caesar’s Campaigns
One of the most popular horrifying acts of violence in history is the so-called Caesar’s Campaigns. It is estimated that more than I million people during Julius Caesar’s campaigns popularly known in history as the Gallic Wars now known as France. As many as 1 million were enslaved, 300 tribes were subjugated and 800 cities were totally destroyed. The city of Avaricum, now known as Bourges, with a population of 40,000 was slaughtered. His campaign against Helvetii, now known as Switzerland, 60% of the tribe was destroyed and 20% were enslaved.
3.) Albigensian Crusade
The lbigensian Crusade or Cathar Crusade that occurred from 1209 to 1229 is one of the most horrible acts of violence in history. This 20-year military campaign was initiated by Pope Innocent III to eliminate the heresy of the Cathars of Languedoc. The first city to be sacked was Beziers were the whole populace were massacred and no one was spared not even those who took refuge in the churches. By 1229, the Albigensian Crusade murdered about 1 million people of Cathars and southern France.
4.) Aztec Human Sacrifices
The most horrifying religious ritual and tradition that occurred in history was the Aztec’s Human Sacrifices. They sacrificed thousands of victims to Huitzilopochtli, their sun god. The offerings were conducted to restore the blood lost by their sun god, as the sun was engaged in a daily battle. They also believed that ‘human sacrifices’ would prevent the end of the world that could happen on each cycle of 52 years. In the course of this horrible tradition, it is estimated that 1.5 million persons were sacrificed. In a period of 4 days during the re-consecration of the Great Pyramid of Tenochtitlan in 1487, about 80,400 persons were sacrificed in the ceremony.
5.) American Civil War
The American Civil War is the deadliest in American history. This event resulted to 620,000 soldier deaths and an undetermined number of civilian casualties.
6.) Ethiopia’ Mengistu
Ethiopia’s Mengistu reigned for 17 years and it is estimated that 500,000 people were killed during the so-called Red Terror of 1977 and 1978. Students, intellectuals, politicians, critics and rebel sympathizers numbering about 150,000 were killed by garroting and shooting during his rule. He was found guilty of genocide in 2006 and was sentenced to life imprisonment in 2007.
7.) Uganda’s Idi Amin Dada
Idi Amin was Uganda’s dictator from 1971 to 1979. This notorious ruler is one of the bloodiest dictators of the 20th century. The number of people killed during his dictatorship is estimated to be around 500,000. Victims were members of other ethnic groups, religious leaders, journalists, senior bureaucrats, judges, lawyers, students and intellectuals, criminal suspects, and foreign nationals. Some villages were completely wiped out and scores of bodies were dumped into the Nile River.
8.) Algerian Civil War
Numerous massacres occurred during the Algerian Civil War of the 1990s. It is estimated that around 200,000 people were killed during the conflict. The world were shocked by news of horrible acts of violence such as: pregnant women being sliced open, children being hacked to pieces or dashed against walls, men’s limbs being hacked off one by one and young women being kidnap as sex slaves.
9.) Soviet Union’s Red Army
Germany’s fall in 1945 resulted in the country’s occupation by the Russian Red Army. About 2 million German women and girls were raped by Russian soldiers, 200,000 of whom later died, committed suicide or were murdered outright.
10.) Western New Guinea
Horrible acts of violence occur anywhere and anytime in history. The government-sponsored violence against West Papuans resulted in the killing of over 100,000 people.
11.) Equatorial Guinea’s Nguema
Francisco Macias Nguema was Equatorial Guinea’s dictator in the 1970s. He took absolute control of the government in 1972 and acted as chief judge. He sentenced thousands to death numbering about 80,000 people. He had killed everyone who wore spectacles and the closure of schools in 1975. These resulted to the collapsed of economy and migration of skilled citizens and foreigners.
12.) Boudica’s Uprising
Boudica, who died in 61 CE, was a queen of the Celtic Iceni people of Norfolk in Roman-occupied Britain. She led a major uprising of the tribes against the occupying forces of the Roman Empire. They destroyed the cities of Colchester, London and St. Albans and killed between 70,000 and 80,000 people. They were slaughter by gibbet, fire or cross. The noblest women were impaled on spikes and had their breasts cut off and sewn to their mouths.
13.) Vlad the Impaler
Vlad the Impaler, who is also popularly known as Vlad Dracula, was the 15th century ruler of Wallachia now known as Romania. This cruel ruler tortured and executed his victims by impalement, a very slow and painful death. Other methods he used in torturing his victims were: nails in heads, cutting off of limbs, blinding, strangulation, burning, cutting off of noses and ears, mutilation of sexual organs (especially in the case of women), scalping, skinning, exposure to the elements or to animals, and boiling alive. No one was immune to Vlad the Impaler’s attentions. His victims were women and children, peasants and great lords, ambassadors from foreign powers and merchants. In 1459, he impaled 30,000 Saxon merchants and in 1462 he impaled 20,000 Turkish prisoners.