Trace the route of Prince Oleg's campaign as shown on the map, including any specific cities or dates mentioned.

The map shows a campaign by Prince Oleg originating from the north. The main arrow indicating this campaign is labeled 'до 1036 г.' (until 1036 AD).

1. The campaign starts from the area of Lake Ladoga and Novgorod (implied by the numbering '1' and the location of Slovenes).
2. It moves southwards, passing through or near territories of the Krivichi and Dregovichi tribes.
3. A significant destination is Kiev (Киев), reached by 1031 (indicated by a red arrow).
4. From Kiev, the campaign continues south towards the Black Sea, specifically targeting Chersonesus (Херсонес / Корсунь).
5. There is also an indication of a campaign towards the south-east, possibly towards the lands of the Pechenegi (Печенеги), with an arrow pointing towards the Sea of Azov and the region labeled 'Белая Вежа' (White Fortress). This part is also generally associated with the period up to 1036 ('до 1036 г.').