Emperor Wu of Jin

Emperor Wu of Jin, born Sima Yan, founded the Jin dynasty and ruled from 266 to 290. His conquest of Wu in 280 briefly reunified China after decades of division.

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Sima Yan: The personal name of Emperor Wu of Jin, founder of the Jin dynasty. He became emperor after inheriting the Sima family’s control of Cao Wei.
Conquest of Wu by Jin: The 280 campaign in which Jin forces conquered the Wu kingdom and reunited China under one dynasty. This victory completed Wu’s conquest and fulfilled the reign’s central military achievement.
Enfeoffment of Jin princes: The policy of granting members of the imperial Sima family princely territories and military authority. These grants strengthened the dynasty’s relatives but helped create competing power centers.
Reunification of China: The restoration of a single Chinese imperial government after a period of political division. His 280 conquest ended the Three Kingdoms period and briefly reunited the realm.
Sima Yi: A Cao Wei general and statesman whose descendants established the Jin dynasty. His political and military ascendancy began the family’s path to imperial rule.
Battle of Xiangyang (280): A Jin naval battle in 280 that helped open the route toward the Wu capital at Jianye. Its outcome advanced the invasion that brought Wu’s surrender.
War of the Eight Princes: A civil war among Jin princes from 291 to 306 that devastated the dynasty’s central authority. The conflict followed the succession arrangements and princely power established during his reign.
Battle of Fei River: A 383 battle in which Eastern Jin forces defeated the Former Qin invasion near the Fei River. The victory preserved a divided Jin state, unlike Emperor Wu’s earlier conquest-based reunification.
Sima Shi: A Cao Wei regent who helped consolidate Sima family power before his younger brother Sima Zhao. His control of the court strengthened the position inherited by Sima Yan.
Sun Hao: The last ruler of Eastern Wu, who surrendered to Jin forces in 280. His capitulation ended the rival kingdom and completed reunification.