Wanggongchang Explosion

Timeline

1. 1626Wanggongchang · BeijingSmoke and dust first rose over Wanggongchang, followed by a tremendous blast that shook the entire city; within several li, houses were leveled and the ground subsided several zhang. The sound of the explosion reached Tongzhou, Hexiwu, Miyun, and Changping, and tremors were felt in Xuanfu, Tianjin, and elsewhere. Opinions on the cause vary; scholars have argued for both a gunpowder detonation and extreme weather as the trigger.
2. 1626Southwest Beijing · BeijingThe Tianbian Dichao recorded about twenty thousand dead and injured, most corpses headless and unclothed, with roof tiles and timber flying through the air. Stone lions were thrown outside the city walls and large trees uprooted. Streets in the disaster zone became unrecognizable, making it one of the most devastating urban disasters in the history of Ming Beijing. The casualty figures come from the gazetteer and are difficult to verify precisely.
3. 1626Forbidden City · BeijingThe explosion reached the palace; the Tianqi Emperor, who had been doing carpentry, was startled and fled for safety. The eldest imperial son died in the disaster, further thinning the Tianqi line's succession and setting the stage for Zhu Youjian's adoption the following year. The emperor issued an edict of self-criticism and relief for victims, but the management system of the arsenals saw no fundamental reform.
4. 1626Beijing · BeijingThe Donglin faction and related scholars wrote the explosion into a discourse of "celestial portent," declaring it a warning against the autocracy of Wei Zhongxian and Lady Ke. Official gazetteers and texts such as Liu Tong's Dijing Jingwulue and Ji Liuqi's Mingji Beilue made the event part of the political memory of the late Tianqi era. The eunuch clique responded with self-criticism rituals and shrine construction but failed to dispel the impact of public opinion.