7 events the sources record for this year, grouped by region.
What happened
China (4)
While the emperor was visiting the Gaoping Mausoleum, Sima Yi dismissed Cao Shuang and others; Cao Shuang's faction was destroyed to the third degree of kinship. (Records of the Three Kingdoms (Sanguozhi) 魏書 三少帝紀 (卷04) 嘉平1년)
In the third month of the 49th year, Aratawake and Kagawake are made generals and, with Kute and others, lead troops to Tokujun intending to attack Silla (Nihon Shoki (Chronicles of Japan) 日本書紀 卷第九 神功紀 49年 단락33)tradition
Grand Tutor Sima Yi, by the order of the Empress Dowager, closed all the city gates, led troops to occupy the Arsenal, and sent troops out onto the floating bridge over the Luo River. (Zizhi Tongjian (Comprehensive Mirror) 卷075 249년 단락0 제2문)
In autumn, Han Wei General Jiang Wei invaded Yongzhou, relied on Qushan to build two cities, and had Ju An and Li Xin and others hold them, gathering hostages from the Qiang and Hu. (Zizhi Tongjian (Comprehensive Mirror) 卷075 249년 단락19 제1문)
Southern Europe (3)
Philip marches against Decius, loses his army and dies at Verona. (Aurelius Victor, De Caesaribus Aur. Vict. Caes. 28.10)
Philip and his son are killed by soldiers, the father at Verona and the son in Rome. (Eutropius, Breviarium Eutr. 9.3)
When the Pannonian army acclaims Decius emperor, Philip gathers forces to oppose him but dies in battle with his son. (Zosimus, New History Zos. 1 (1814 영역) p.14)