Li Zhengji
| Li Zhengji | |||||||
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| Chinese name | |||||||
| Traditional Chinese | 李正己 | ||||||
| Simplified Chinese | 李正己 | ||||||
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| Korean name | |||||||
| Hangul | 이정기 | ||||||
| Hanja | 李正己 | ||||||
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Li Zhengji, or Yi Jeong-gi (733 - 28 August 781) was a Chinese military general, monarch, and politician of the Tang dynasty, originally of Goguryeo descent.