Vologda Governorate
On July 24, 1918 the People's Commissariat for Internal Affairs of the Russian Soviet Federative Socialist Republic established Northern Dvina Governorate. The area of the governorate included five uyezds of Vologda Governorate: Nikolsky, Solvychegodsky, Ust-Sysolsky,Velikoustyuzhsky, and Yarensky Uyezds.