- was
transferred to
newly established Pskov Oblast. On August 1, 1927,
Seryodkinsky District was
established as well, with the
administrative center in the...
- Nasvinsky, Loknyansky, Novosokolnichesky, and
Pustoshkinsky Districts;
Seryodkinsky District (the selo of Seryodka),
established in 1927,
Leningrad Oblast...
- re-established. It
included territories previously located in
Gdovsky and
Seryodkinsky Districts.
Between August 1941 and
February 1944,
Polnovsky District...
- Opochetsky, Ostrovsky, Palkinsky, Porkhovsky, Pskovsky, Pushkinsky,
Seryodkinsky, Slavkovsky, and Vyborsky. In
Velikiye Luki Okrug: Bologovsky, Idritsky...
