Spring – Pecheneg Revolt: Emperor Constantine IX decides to transfer 15,000 Pecheneg warriors from their positions in the Balkans to the eastern front. Upon approaching the Bosporus, the Pechenegs decide to turn back, and march through Bulgaria, until they reach the Byzantine city of Serdia. Later, joined by followers, the Pecheneg tribes raise the banner of revolt in Thrace.
The Republic of Pisa successfully completes the conquest of Sardinia, from the Andalusian occupiers. <sup>[Dubious claim; since Sardinia was already governed by the Giudici by this time]</sup>