6 events the sources record for this year, grouped by region.
What happened
Southern Europe (4)
Alexios gave the signal for an ambush to attack Bryennios' army; this was the first battle against the rebels. (Anna Komnene, The Alexiad Dawes 1.5 (문장 18))
News came by messenger that Bryennios had been captured, and he himself was brought before the general. (Anna Komnene, The Alexiad Dawes 1.6 (문장 30))
Right after the defeat of Bryennios, Alexios marched at once against Basilakios (in the region of the Vardar river). (Anna Komnene, The Alexiad Dawes 1.7 (문장 14))
After capturing Basilakios, Alexios stayed briefly in Thessalonica to set things in order, then returned in triumph to Constantinople. (Anna Komnene, The Alexiad Dawes 1.9 (문장 17))
Eastern Europe & Russia (2)
The prince of Polotsk besieged and burned Smolensk; Vladimir rushed there with Chernigov cavalry but saw only smoking ashes. (Karamzin, History of the Russian State 제2권 V장)
Oleg flees to Tmutarakan, brings the Polovtsy, and defeats Vsevolod at Sozhitsa. (Novgorod First Chronicle litopys 기사 1078년)