Disaster of Yongjia

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The Disaster of Yongjia (simplified Chinese: 永嘉之乱; traditional Chinese: 永嘉之亂) occurred in 311 CE (5th year of the Yongjia era of the reign of Emperor Huai of Jin), when forces of the Xiongnu-led Han-Zhao dynasty captured and sacked Luoyang, the capital of the Western Jin dynasty. Han's army committed a massacre of the city's inhabitants, killing the Jin crown prince, a host of ministers, and over 30,000 civilians. They also burnt down the palaces and dug up the Jin dynasty's mausoleums. Though the Western Jin would survive for a few more years, this event is often seen as one of the worst disasters in Chinese history, as both the emperor and one of the ancient capitals fell to the hands of “barbarian” forces.