The world in 1084 AD — what happened that year

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

What happened

The Xia besieged Dingxi City, but Qin Gui, commander of Xihe, defeated them. (History of Song (Songshi), Annals 宋史卷016 元豐七年)
When Xia invaded Yanzhou's Ansai Bao, the commander Lü Zhen defeated them. (Xu Zizhi Tongjian (Continuation of the Comprehensive Mirror) 續資治通鑑卷077 (1084년 조))
Xia surrounded Dingxi Fort and burned the tents of the Kangu tribe, and the Xihe commander Qin Gui defeated them. (Xu Zizhi Tongjian (Continuation of the Comprehensive Mirror) 續資治通鑑卷078 (1084년 조))

Eastern Jurchen raid the farm of Mosan garrison in Heungae-gun; the guard soldiers strike back and capture five. (Goryeosa (History of Goryeo) 世家卷10 宣宗元年)

Robert hurried to Rome to stop the king of the Alamanni and joined the papal forces. (Anna Komnene, The Alexiad Dawes 5.3 (문장 26))
Relatives of Traulos, a Manichaean, occupied the village on the hill of Veriatova. (Anna Komnene, The Alexiad Dawes 6.4 (문장 9))
Robert, rebelling again at Corfu, left his sons at Butrinto and crossed with his fleet. (Anna Komnene, The Alexiad Dawes 6.5 (문장 14))
The Venetian fleet anchored at the port of Pasari, but when Robert came it moved to the port of Kassope. (Anna Komnene, The Alexiad Dawes 6.5 (문장 18))