 On 29 January 1935 Kalinin Oblast was established, and Zubtsovsky District was transferred to Kalinin Oblast.During World War II, in 1941—1943, the district was occupied by German troops.In February 1963, during the abortive administrative reform by Nikita Khrushchev, Zubtsovsky District was merged into Rzhevsky District, but on 12 January 1965 it was re-established.