The world in 546 AD — what happened that year

15 events the sources record for this year, grouped by region.

What happened

Gao Huan besieged Western Wei's Yubi City, attacking with earthen mounds, tunnels and waterway approaches, but Wei Xiaokuan held out. After 50 days 70,000 of his men had died, and in the 11th month he withdrew, sick (Battle of Yubi). (Book of Northern Qi (Bei Qishu), Annals 北齊書卷2)
Gao Huan attacked Yubi, held by Wei Xiaokuan, for fifty days without taking it, lost seventy thousand men whose bodies formed a mound, and withdrew sick. (History of the Northern Dynasties (Beishi), Annals 北史卷6 武定4年)
At the Dongtai Temple Dharma assembly, on the night of the festival of the opening of the temple, fire broke out at Dongtai Temple. (Book of Liang (Liangshu), Annals 卷3 中大同元年四月)
Qi Shenwu besieges Yubi for 60 days, but Wei Xiaokuan holds out; Qi loses 20 to 30 percent of its men, he falls ill, burns his camp and withdraws (Book of Zhou (Zhoushu), Imperial Annals 周書卷2 大統12年9月)
Dugu Xin attacks at dawn, captures Yuwen Zhonghe, and pacifies Guazhou (May). (Zizhi Tongjian (Comprehensive Mirror) 卷159)
Eastern Wei's Gao Huan attacks Yubi for fifty days, but Wei Xiaokuan holds it; Eastern Wei suffers 70,000 casualties and lifts the siege (November). (Zizhi Tongjian (Comprehensive Mirror) 卷159)

Chen Baxian and others took the citadel of Gia Ninh. (Đại Việt sử ký toàn thư 外紀卷之四「丙寅三年〔梁中大同元年〕春正月，」)
Jiaozhou Governor Yang Biao took Gia Ninh City in Jiaozhi, and Lý Bí fled to Khuất Liêu Cave; Jiaozhou was pacified. (History of the Southern Dynasties (Nanshi), Annals 南史卷7 中大同1年)

At a banquet Artabanes killed Gontharis, on the thirty-sixth day of his tyranny (the nineteenth year). (Procopius, History of the Wars 4.28.6)

Belisarius sent Valentinus and Phocas to Portus to strengthen its defense. (Procopius, History of the Wars 7.15.1)
The people of Placentia (Piacenza), besieged by the Goths, ate forbidden foods out of hunger. (Procopius, History of the Wars 7.16.2–7.16.3)
Pelagius asked Totila for a truce but in vain, and famine in Rome worsened. (Procopius, History of the Wars 7.17.1)
The forces of John and Isaac joined Belisarius at Epidamnus. (Procopius, History of the Wars 7.18.1)
Belisarius devised schemes to get food into besieged Rome, such as lashing two ships together to make a fighting tower-ship. (Procopius, History of the Wars 7.19.3–7.19.7)
Bessas sold grain and neglected the defenses; Isaurian guards opened the gates to Totila, and Rome fell on December 17. (Procopius, History of the Wars 7.20.1–7.20.4)

Places where the world territory data shows a change of borders in this year.