Liaodong campaign against Gongsun Yuan

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The Liaodong campaign against Gongsun Yuan was a decisive 238 CE military expedition led by Wei general Sima Yi to crush the semi-independent warlord Gongsun Yuan in northeastern China and bring the region firmly under Cao Wei control.

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Statements (47)

Predicate Object
instanceOf historical event
military campaign
associatedDynasty Cao Wei NERFINISHED
attackingSide Cao Wei NERFINISHED
belligerent Cao Wei NERFINISHED
Gongsun Yuan regime NERFINISHED
cause Gongsun Yuan’s defiance of Wei authority
Wei court decision to eliminate semi-independent warlord
chronologyWithinThreeKingdoms late in Cao Wei’s dominance
commandedBy Sima Yi NERFINISHED
commander Gongsun Yuan NERFINISHED
Sima Yi NERFINISHED
conflictType civil war-related campaign
countryAtTime Cao Wei NERFINISHED
date 238
defendingSide Gongsun Yuan regime NERFINISHED
followedBy direct Wei administration of Liaodong
governingPowerAfterCampaign Cao Wei central government NERFINISHED
historicalPeriod Three Kingdoms NERFINISHED
leaderOfAttackingForce Sima Yi NERFINISHED
location northeastern China
militaryLeaderAffiliation Sima Yi was a general of Cao Wei NERFINISHED
militaryTheater Liaodong Peninsula NERFINISHED
natureOfGongsunRule semi-independent from Wei court
notableCommanderOnWeiSide Sima Yi NERFINISHED
objective to crush Gongsun Yuan
to reassert central control over Liaodong
opponentStatus semi-independent warlord
opposedBy Gongsun Yuan NERFINISHED
outcomeForGongsunYuan death of Gongsun Yuan
elimination of his regime
partOf Cao Wei military history
Three Kingdoms period NERFINISHED
place Liaodong NERFINISHED
politicalContext power consolidation by Cao Wei
predecessorEvent Gongsun Yuan’s semi-independent rule in Liaodong
regionControlledAfterCampaign Liaodong NERFINISHED
result Liaodong brought under direct Wei control
decisive Wei victory
destruction of Gongsun Yuan regime
significance ended Gongsun clan rule in Liaodong
secured northeastern frontier for Cao Wei
strengthened Sima Yi’s military reputation
strategicGoal to secure northeastern borders of Wei
target Gongsun Yuan’s power base in Liaodong
timePeriod 3rd century CE
year 238 CE

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Sima Yi notableCampaign Liaodong campaign against Gongsun Yuan