5 Most Deadliest Wars of All Time In The World

4. An Lushan Rebellion

Death toll: 36 million

Duration: 755 AD – 763 AD

The An Lushan Rebellion, occurring between 755 AD and 763 AD, was fought against the Tang Dynasty in China. While an accurate death toll is difficult to obtain, census reports taken after the war indicate that approximately 36 million people, which was around two-thirds of the empire’s population, lost their lives during the conflict.