Top 10 Most Terrifying Civilizations

Soviet Union

The Soviet Union killed millions over a span of time, keeping every citizen in complete and constant fear. More and worse than Nazi Germany.

Nazi Germany

It would be scary if the Nazis were after you. Hiding in horror as cities burned and got bombed. Soldiers killing the Jews. Imagine what Anne Frank went through.

I can just imagine the poor Jews and other people that the Nazis targeted living in and near Germany at this time. I'm really glad I was born after they surrendered.

DUH. The Holocaust was terrible. While the rest of Europe was flourishing, it was drenched in war.

Roman Empire

The Roman Empire refers to the post-Republican phase of ancient Rome, which lasted from 27 BC to 476 AD in the Western world. This era was marked by an autocratic government and expansive territorial control across Europe, North Africa, and Asia.... read more

They sent thousands of men and animals to die in the Colosseum and many other amphitheatres around the Roman Empire just to entertain the common people. They destroyed entire empires (such as the Carthaginian Empire) that opposed them. The Empire's expansion was almost unstoppable. The Emperors could kill thousands of their own citizens by simply asking for it.
Being an enemy of this Empire meant certain death. For them, it was a question of how brutally they wanted you to die. Before the invention of gunpowder, the weapon that killed the most people in history was the Roman gladius. No one could stop them. They were hardly ever merciful. The Roman Empire is without a doubt the most terrifying.

Aztec Empire

North Korea

The Democratic People's Republic of Korea, also known as North Korea, is a country in Eastern Asia. Its capital is Pyongyang. It is currently ruled by the Juche leader Kim Jong-Un, who inherited the title from his father, Kim Jong-Il, who in turn inherited it from his father, Kim Il-Sung.... read more

The only communist monarchy on the planet.

Mongol Empire

Responsible for killing off poor Asian peoples.

They're like Nazi Germany before Nazi Germany.

Estimates range from 30 million to 60 million dead (over 15% of the world killed - WWII killed only 2%), with bowmen on horses. Their conquests started in 1207 and ended in 1472. Wouldn't you be terrified?

Viking Empire

They scared the crap out of people where they planned to invade. I also read that they were taller than most other civilians of that time.

Saudi Arabia

Saudi Arabia, officially the Kingdom of Saudi Arabia (KSA), is a country on the Arabian Peninsula in Western Asia. It has a land area of about 2,150,000 km² (830,000 sq mi), making it the fifth-largest country in Asia, the second-largest in the Arab world, and the largest in Western Asia.... read more

Apache Tribes

Khmer Rouge Cambodia

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Congo Free State

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Timurid Empire

Empire of Japan

The reason is things like Unit 731 and everything else they did in World War II. It would give some people nightmares, so in most history books you'll just find Pearl Harbor.

Unit 731 is basically the Japanese version of Nazi human experimentation.

Celtic Empire

They even murdered their own people! The Celtic kings would put the poor, ill, or needy people in front of their enemies. Their castles were on hills far away, so when they saw smoke, they knew the village had been attacked, allowing them to run away and abandon those who needed help.
They would chop off your head and put it on spikes for all to see, like a trophy. They would execute people publicly for all to see, including family members, just to prove a point and show power. It was sick back then!

Ottoman Empire

They committed brutal acts of genocide during the empire's final years.

Maori Civilization

The Maori were one of the most powerful ancient civilizations this world has ever witnessed and still remain a powerful force to this day. They are the only undefeated race, defeating every country and race they have come up against.

China

China, officially the People's Republic of China, is a country in East Asia. It is the world's second-most populous country, with a population exceeding 1.4 billion people. China spans five geographical time zones and shares land borders with 14 countries, second only to Russia in the number of neighboring... read more

Jim Crow South

Hunnic Empire

Assyrian Empire

The torture, methods of war, and even how they advanced is enough to put the Assyrians in the top 10.

Their torturing methods were scary as hell!

Kingdom of Israel

Sparta

This may be one of the worst:
- Let's toss weak babies who can't handle wine off a cliff!
- I'm sorry, did you die in childbirth or were you killed in battle? No? No grave for you. You have dishonored us.
- Oh, you lost your shield? Didn't you hear? Lose your shield, you lose your head.
- Let's go kill some Athenians and try to bring an end to democracy.

Belgian Congo

Cretans

The Cretans are a terrifying civilization for me because of their bloody vendettas (feuds).

Saxons

United States of America

The United States of America, or the U.S.A. for short, is a federal republic composed of 50 states. Forty-eight of them are contiguous states. The other two, Alaska and Hawaii, are located to the northwest and south of the contiguous states, respectively. The United States declared its independence from... read more

The world's biggest terrorist organization. The wolf disguised in sheep's clothing.

The sole surviving evil empire after the Cold War in my book.