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Rise to power

The Hongwu Emperor specified his grandson Zhu Yunwen as his successor, and he assumed the throne as the Jianwen Emperor (r. 1398–1402) after Hongwu's death in 1398. The most powerful of Hongwu's sons, Zhu Di, then the militarily mighty disagreed with this, and soon a political showdown erupted between him and his nephew Jianwen. After Jianwen arrested many of Zhu Di's associates, Zhu Di plotted a rebellion that sparked a three-year civil war. Under the pretext of rescuing the young Jianwen from corrupting officials, Zhu Di personally led forces in the revolt; the palace in Nanjing was burned to the ground, along with Jianwen himself, his wife, mother, and courtiers. Zhu Di assumed the throne as the Yongle Emperor (r. 1402–24); his reign is universally viewed by scholars as a "second founding" of the Ming dynasty since he reversed many of his father's policies.