6 events the sources record for this year, grouped by region.
What happened
China (6)
Sima Shi routed the rebellion of Guanqiu Jian and Wen Qin at Lejia; Wen Qin fled to Wu, and Guanqiu Jian's head was sent to the capital. (Records of the Three Kingdoms (Sanguozhi) 魏書 三少帝紀 (卷04) 正元2년)
Jiang Wei invaded Didao; the Yongzhou Governor Wang Jing was badly defeated at Taoxi, retreated into Didao city, and in the ninth month Jiang Wei withdrew. (Records of the Three Kingdoms (Sanguozhi) 魏書 三少帝紀 (卷04) 正元2년)
Jiang Wei routed Wei's Yongzhou Governor Wang Jing heavily at Taoxi, and Wang Jing retreated into Didao city. (Records of the Three Kingdoms (Sanguozhi) 蜀書 後主傳 (卷33) 延熙18년)
Sun Jun and others set out to raid Shouchun, reached Dongxing, but hearing that Wen Qin and others had been defeated, advanced to Tuogao, and accepted the surrender of Wen Qin and tens of thousands of Huainan residents. (Records of the Three Kingdoms (Sanguozhi) 吳書 三嗣主傳 (卷48) 五鳳2년)
In the first month of spring, Guanqiu Jian and Wen Qin, impersonating an edict of the Empress Dowager, raised cavalry at Shouchun and circulated a manifesto to the commanderies, intending to suppress Sima Shi. (Zizhi Tongjian (Comprehensive Mirror) 卷076 255년 단락0 제1문)
Wang Jing had already fought Jiang Wei at Taoxi and suffered a great defeat; he entered the city of Didao with about ten thousand men to hold it, while the rest scattered and died in the tens of thousands. (Zizhi Tongjian (Comprehensive Mirror) 卷076 255년 단락17 제4문)