19 events the sources record for this year, grouped by region.
What happened
China (3)
Sun Hao led his forces toward Shouyang, and the Grand Marshal Sima Wang stationed himself north of the Huai to block him. (Book of Jin (Jinshu), Imperial Annals 晉書 卷003 帝紀 泰始7年3月)
Northern Di barbarians attacked Jincheng. Liangzhou Governor Qian Hong pursued them but was surrounded at Qingshan and killed. (Book of Jin (Jinshu), Imperial Annals 晉書 卷003 帝紀 泰始7年4月)
Several Hu tribes rebelled from within, and together with Shujineng surrounded Qian Hong at Qingshan; Qian Hong's army was defeated and he died in battle. (Zizhi Tongjian (Comprehensive Mirror) 卷079 271년 단락5 제2문)
Southeast Asia (3)
Wu's Tao Huang and others besieged Jiaozhi; the governor Yang Ji and others surrendered to Wu, and the Jiaozhou region was lost. (Book of Jin (Jinshu), Imperial Annals 晉書 卷003 帝紀 泰始7年7月)
Yu Si and Tao Huang routed Jiaozhi, captured the Jin garrison commander, and Jiuzhen and Rinan returned to Wu. (Records of the Three Kingdoms (Sanguozhi) 吳書 三嗣主傳 (卷48) 建衡3년)
In the summer fourth month, Wu's Jiaozhou Governor Tao Huang attacked and killed Jiuzhen Governor Dong Yuan, and Yang Ji had Wang Su replace him. (Zizhi Tongjian (Comprehensive Mirror) 卷079 271년 단락4 제1문)
Southern Europe (9)
In Rome, the mint workers under Felicissimus revolt out of fear after counterfeiting, and in the fighting on the Caelian Hill nearly 7,000 soldiers are lost. (Aurelius Victor, De Caesaribus Aur. Vict. Caes. 35.6)
In Rome, mint workers counterfeit coins, kill the treasury official Felicissimus and revolt; Aurelian suppresses them with extreme severity and executes several nobles. (Eutropius, Breviarium Eutr. 9.14)
Aurelian surrounds Rome with a stronger wall and builds a temple of the Sun filled with gold and jewels. (Eutropius, Breviarium Eutr. 9.15)
With Illyricum and Moesia ravaged, Aurelian judges Dacia indefensible, moves Roman citizens to Moesia and calls that land the new Dacia. (Eutropius, Breviarium Eutr. 9.15)
Through Aurelian's mistake the Marcomanni ravage the Milan region badly, but are later subdued as well (Historia Augusta Aurel. 18.3)tradition
After the Marcomannic war he marches on Rome, harshly executes the ringleaders of the unrest, and, consulting the Senate, extends Rome's walls (Historia Augusta Aurel. 21.5, 21.9)
In putting down the mint workers' revolt led by Felicissimus, keeper of the imperial treasury, 7,000 soldiers fall (Historia Augusta Aurel. 38.2)tradition
Seeing the devastation of Illyricum and Moesia, he abandons Trajan's province of Dacia beyond the Danube, moves its people into Moesia, and calls that region Dacia (Historia Augusta Aurel. 39.7)
Fearing an Alamanni invasion of Italy, Aurelian kills thousands of barbarians near the Danube and begins girding Rome, which had no walls, with a wall that was finished under Probus. (Zosimus, New History Zos. 1 (1814 영역) p.25)
Victorinus is killed at Agrippina through the plot of a clerk. (Eutropius, Breviarium Eutr. 9.9)
Tetricus, the senator and governor of Aquitania, is chosen emperor by the army in his absence and puts on the purple at Burdigala. (Eutropius, Breviarium Eutr. 9.10)
Victorinus, who seduced his subordinates' wives, is killed at Agrippina (Colonia) in a plot by a clerk (Historia Augusta Tyr. trig. 6.3)