19 events the sources record for this year, grouped by region.
What happened
China (9)
Sun Quan defeated Liu Bei at Yiling (Cao Pi remarked that advancing seven hundred li and stationing for long was a taboo of military strategy). (Records of the Three Kingdoms (Sanguozhi) 魏書 文帝紀 (卷02) 黃初3년)
Liu Bei advanced from Zigui and set up camp at Xiaoting in Yidao (Huang Quan supervised the troops north of the river). (Records of the Three Kingdoms (Sanguozhi) 蜀書 先主傳 (卷32) 章武2년)
Lu Xun routed over fifty Shu camps around Yiling heavily from the first month to the intercalary month, beheading or taking the surrender of tens of thousands, and Liu Bei fled alone. (Records of the Three Kingdoms (Sanguozhi) 吳書 吳主傳 (卷47) 黃武1년)
Wei invaded by three routes; Cao Zhen and Xiahou Shang surrounded Nanjun, and Zhuge Jin and Pan Zhang came to the relief (troops were also sent to Dongkou and Ruxu). (Records of the Three Kingdoms (Sanguozhi) 吳書 吳主傳 (卷47) 黃武1년)
The Han army extended its camps from the Wu Gorge and Jianping to the border of Yiling, raising dozens of tun, and from the first month to the sixth it faced the Wu without any decisive outcome. (Zizhi Tongjian (Comprehensive Mirror) 卷069 222년 단락8 제1문)
The Wu army burned the Han camps with fire attacks and beheaded Zhang Nan, Feng Xi, the Hu king Shamoke and others, breaking more than forty camps. (Zizhi Tongjian (Comprehensive Mirror) 卷069 222년 단락9 제6문)
Southern Europe (10)
Elagabalus is killed in the camp (praetorian barracks) after a reign of thirty months. (Aurelius Victor, De Caesaribus Aur. Vict. Caes. 23.3)
Elagabalus's attempt to harm Alexander caused unrest among the praetorians; he tried to escape hidden in a chest in the camp but was found and killed at 18, his mother died with him, and the bodies were dragged about and thrown into the Tiber (Cassius Dio, Roman History 80(79).20.2)
Alexander immediately became emperor and entrusted the praetorians and the affairs of the empire to Domitius Ulpianus (Cassius Dio, Roman History 80(80).1.1)
Elagabalus is killed with his mother in a soldiers' riot. (Eutropius, Breviarium Eutr. 8.22)
In the praetorian camp the soldiers cheer only Alexander. Enraged, Elagabalus tries to punish the troublemakers, and the soldiers kill him and his mother. Their bodies are thrown into a sewer. (Herodian, History of the Empire 5.8)
The soldiers proclaim Alexander emperor and bring him into the palace. Still young, he is under the guidance of his mother and grandmother. (Herodian, History of the Empire 5.8)
Alexander fills offices with learned jurists and officers with war experience. His mother keeps away from the palace those who would corrupt him. (Herodian, History of the Empire 6.1)
Elagabalus's body will not fit down the sewer, so it is weighted and thrown into the Tiber from the Aemilian Bridge (Historia Augusta Heliog. 17.2)
On the day before the Nones of March, at a Senate meeting in the Temple of Concordia, Alexander receives the title Augustus (Historia Augusta Alex. Sev. 6.2)
Elagabalus (Antoninus) is killed by the Romans for his dissoluteness, and Alexander is proclaimed emperor. (Zosimus, New History Zos. 1 (1814 영역) p.10)