This rebellion involved a self-proclaimed prophet, a cult, and the deaths of 20 million people.

Answer The Taiping Rebellion

When Hong Xiuquan came on the scene during the Qing Dynasty, he drew followers pretty quickly. Claiming to see visions, he founded a Christian cult called the "God Worshipping Society" – a cult that became violent and rose into all-out civil war. The Taiping Rebellion took 20 million lives before Hong was found poisoned.

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