In the 14th-15th centuries, during the colonization, it was a disputed territory between the Grand Duchy of Moscow and the Novgorod Republic. Novgorod controlled a major part of the Russian North, and, in particular, all areas along the Sukhona River northeast of what is now Nikolsky District.
In the 14th-15th centuries, during the period of colonization, the territory was disputed between the Grand Duchy of Moscow and the Novgorod Republic. Novgorod held control over a large part of Northern Russia, specifically all areas along the Sukhona River northeast of what is now Nikolsky District.