1045

Novgorod. St. Sophia was burnt down, on a Saturday, after the early morning service, in the third hour, on March 15.

• 1044-1045 Crimean campaign of 1044. Careful analysis of these facts led Vera Bryusova to conclude that hostilities were renewed in 1044 or 1045, when Vladimir advanced on Chersonesos and captured it, retaining the town until the Byzantines, involved in several other wars, agreed to conclude a favourable treaty with Rus' and give a princess in marriage to his younger brother. If so, the situation would be almost identical to the conquest of Chersonesos by Vladimir the Great, which, according to most Slavonic sources, precipitated the Christianization of Kievan Rus' back in 988.

• 1030-1061 Estonia, as Yaroslav the Wise of Novgorod and Kiev raids the Estonian fortress of Tarbatu and founds a fort named Yuryev. Occupied until 1061

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