The 8  Deadliest Wars in Human History

World War II

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Taiping Rebellion

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World War I

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An Lushan Rebellion

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Second Sino-Japanese War

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Mongol Conquests

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Kalinga War

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Napoleonic Wars

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World War II

Between 1939 and 1945, this global conflict caused approximately 70 to 85 million deaths worldwide.

Taiping Rebellion

From 1850 to 1864, this massive civil war in China resulted in around 20 to 30 million fatalities.

World War I

From 1850 to 1864, this massive civil war in China resulted in around 20 to 30 million fatalities.

An Lushan Rebellion

4. Occurring between 755 and 763 in China, this rebellion caused approximately 13 to 36 million deaths.

Second Sino-Japanese War

5. From 1937 to 1945, this conflict between China and Japan resulted in about 15 to 20 million fatalities.

Mongol Conquests

6. During the 13th and 14th centuries, these invasions led by the Mongol Empire caused around 30 to 40 million deaths.

Kalinga War

7. In 262–261 BCE, the Maurya Empire's invasion of Kalinga resulted in approximately 250,000 deaths.

Napoleonic Wars

Between 1803 and 1815, these European conflicts led by Napoleon Bonaparte caused about 3.5 to 6 million fatalities.