Velikiye Luki Oblast
On August 1, 1927, the uyezds were abolished, and Usvyatsky District was established, with the administrative center in Usvyaty. It included parts of former Nevelsky and Velizhsky Uyezds. Pskov Governorate was abolished as well, and the district became a part of Velikiye Luki Okrug of Leningrad Oblast. On June 17, 1929, Usvyatsky District was transferred to Western Oblast. On July 23, 1930, the okrugs were also abolished and the districts were directly subordinated to the oblast. On September 27, 1937, Western Oblast was abolished, and the district was transferred to Smolensk Oblast. Between 1941 and 1944, Usvyaty was occupied by German troops. On August 22, 1944, the district was transferred to newly established Velikiye Luki Oblast. On October 2, 1957, Velikiye Luki Oblast was abolished, and Usvyatsky District was transferred to Pskov Oblast. On October 3, 1959 the district was abolished and merged into Nevelsky District. On December 30, 1966 it was re-established. On October 15, 1985 Usvyaty was granted urban-type settlement status.