 In 1775 it was transferred to newly established Tver Viceroyalty, where it was split between Korchevskoy (established in 1781) and Kalyazinsky Uyezds.In 1796, the Viceroyalty was abolished and transformed into Tver Governorate.On December 30, 1918 Kimrsky Uyezd with the center in Kimry was established on the lands which previously belonged to Korchevskoy and Kalyazinsky Uyezds.