32 events the sources record for this year, grouped by region.
What happened
China (19)
Xin Shu, Acting Governor of the Southeast Circuit, sent up the Transmitted Seal from Guangling (a result of the southern campaign in the 3rd month). (Book of Northern Qi (Bei Qishu), Annals 北齊書 卷4)
On the 10th month he arrived at Huanglu Ridge and began building the long wall (Changcheng): 36 garrisons were set up over more than 400 li, up to the northern Shegan post. (Book of Northern Qi (Bei Qishu), Annals 北齊書 卷4)
On the 11th month, day xinsi, the Liang prince Xiao Yi was enthroned at Jiangling as Emperor Yuan and sent envoys. (Book of Northern Qi (Bei Qishu), Annals 北齊書 卷4)
Chen Baxian set out from Yuzhang with thirty thousand armored soldiers, five thousand crossbowmen and two thousand warships to campaign against Hou Jing. (Book of Chen (Chenshu), Annals 陳書 卷1 大寶3年 正月)
Before Shitou City, the combined forces of Chen Baxian and Wang Sengbian routed Hou Jing; Hou Jing was chased to Ximing Gate and fled from beneath the palace with only his two sons. (Book of Chen (Chenshu), Annals 陳書 卷1 大寶3年 三月)
Xin Shu of Northern Qi, with seventy thousand men, surrounded Yan Chaoda at Qin Commandery; Chen Baxian relieved him with ten thousand, the Prince of Pingqin of Northern Qi was struck by an arrow and killed, and several hundred heads were taken. (Book of Chen (Chenshu), Annals 陳書 卷1 大寶3年 五月)
Xiao Yi, Prince of Xiangdong, ascended the throne at Jiangling and changed the third year of Dabao to the first year of Chengsheng (Emperor Yuan). (Book of Chen (Chenshu), Annals 陳書 卷1 大寶3年 十一月)
In the tenth month of the thirteenth year, King Seong of Baekje presents a gilt bronze image of Shakyamuni, some banners, and some scriptures and treatises (the transmission of Buddhism) (Nihon Shoki (Chronicles of Japan) 日本書紀 卷第十九 欽明紀 13年 단락47)
Gubazes, learning of Chosroes's assassination plot, turned friendly toward the Romans, but most Lazi were angered by the abuses of Roman soldiers. (Procopius, History of the Wars 8.16.2)
Monks from India promised the emperor they would make silk themselves, aiming to break the dependence on Persia. (Procopius, History of the Wars 8.17.1)
Southern Europe (8)
John waited at Salona for Narses, who was delayed by the Huns, while Totila reorganized Rome. (Procopius, History of the Wars 8.22.1)
The emperor sent the garrison of Thermopylae to Italy to lift the siege of Croton. (Procopius, History of the Wars 8.26.1–8.26.4)
Narses's army joined Valerian and Justin at Ravenna and stayed nine days; Usdrilas of Ariminum sent a letter. (Procopius, History of the Wars 8.28.1)
Totila, waiting for Teias, set out to fight Narses without waiting for the two thousand cavalry (at Taginae). (Procopius, History of the Wars 8.29.1–8.29.6)
Before the battle, Narses gathered his troops and addressed them, preparing for the battle of Taginae. (Procopius, History of the Wars 8.30.1)
During the battle two thousand Goths joined, but Totila's line collapsed while he was eating lunch; this was the defeat at Taginae and Totila's end. (Procopius, History of the Wars 8.32.1)
After his victory Narses took Rome and received its surrender; in the twenty-sixth year, the fortresses surrendered. (Procopius, History of the Wars 8.33.1)
Vesuvius, in Campania (a sound like cattle lowing, with ash erupting): near it, the last battle between Teias and Narses. (Procopius, History of the Wars 8.35.1)
Western Europe (1)
Cynric fought the Britons at Salisbury and drove them out. (Anglo-Saxon Chronicle Giles/Ingram 1847 A.D. 552 항 (pg657.txt 줄 1209))