 On May 30, 1922 Korchevskoy Uyezd was abolished and merged into Kimrsky Uyezd.On October 3, 1927 Kashinsky Uyezd was abolished and split between Kimrsky and Bezhetsky Uyezds.On July 12, 1929, Tver Governorate was abolished, and the area was transferred to Moscow Oblast.