6 events the sources record for this year, grouped by region.
What happened
China (1)
When the Eastern Barbarians rise in revolt, Mun Jeong is made Commander of the Field Forces and sends thirty thousand infantry and cavalry in parts; they cut off 431 heads. (Goryeosa (History of Goryeo) 世家 卷9 文宗 三十四年)
Korean Peninsula (1)
In the Dongbeon rebellion, Mun Jeong is made commander-in-chief and 30,000 infantry and cavalry are stationed at Jeongju; at night the three armies divide and strike the enemy dens, beheading 392 and capturing 39 chiefs (Goryeosa Jeolyo (Essentials of Goryeo History) 권5 文宗 三十四年)
West Asia (1)
Cyzicus fell to the Turks, and the emperor summoned Alexios. (Anna Komnene, The Alexiad Dawes 2.3 (문장 1))
Southern Europe (2)
At Salerno, Robert received a letter saying that he had secured the false Michael (the monk Leichtor). (Anna Komnene, The Alexiad Dawes 1.12 (문장 26))
The pope left Rome for Benevento and met Robert in person after the envoys' mediation. (Anna Komnene, The Alexiad Dawes 1.13 (문장 20))
Western Europe (1)
Bishop Walcher was killed by the Northumbrians at the council of Durham, together with a hundred Frenchmen and Flemings. (Anglo-Saxon Chronicle Giles/Ingram 1847 A.D. 1080 항 (pg657.txt 줄 7521))