 On July 23, 1930, the okrugs were abolished, and the districts were directly subordinated to the oblast.On January 29, 1935 Kalinin Oblast was established, and Likhoslavlsky District was transferred to Kalinin Oblast.On July 9, 1937 Likhoslavlsky District was included into Karelian National Okrug, which was established as a Tver Karelians autonomy.