▁territory , ▁nor ▁had ▁been ▁a ▁separate ▁independent ▁nation ▁prior ▁to ▁its ▁incorpor ation ▁into ▁the ▁USS R , ▁was ▁un pre ced ented ▁in ▁the ▁history ▁of ▁the ▁USS R . ▁Some ▁later ▁histor ians ▁believe ▁that ▁the ▁elev ation ▁of ▁Soviet ▁K are lia ▁from ▁an ▁Aut onom ous ▁Soviet ▁Social ist ▁Republic ▁( with in ▁the ▁R S FS R ) ▁to ▁an ▁SS R ▁was ▁a ▁political ▁move ▁as ▁a ▁" con ven ient ▁means ▁for ▁facil it ating ▁the ▁possible ▁incorpor ation ▁of ▁additional ▁Finn ish ▁territory " ▁( or , ▁possibly , ▁the ▁whole ▁of ▁Finland ) ▁into ▁the ▁USS R . ▁ ▁In ▁ 1 9 4 1 , ▁Finland ▁re - anne x ed ▁the ▁territory ▁that ▁it ▁had ▁lost ▁in ▁ 1 9 4 0 ▁and ▁occupied ▁most ▁of ▁the ▁K are li an ▁lands ▁that ▁had ▁been ▁within ▁the ▁USS R ▁prior ▁to ▁ 1 9 4 0 , ▁including ▁the ▁capital ▁Pet roz av od sk ▁( P etro sk oi ). ▁In ▁ 1 9 4 4 , ▁the ▁Soviet ▁Union ▁re capt ured ▁the ▁area . ▁Soviet ▁so vere ig nt y ▁was ▁recognized ▁by ▁Finland ▁in ▁the ▁Moscow ▁Arm ist ice ▁and ▁Paris ▁Peace ▁Tre aty . ▁The ▁Finn ish ▁K are li ans ▁were ▁ev acu ated ▁to ▁Finland ▁again . ▁ ▁In ▁September ▁ 1 9 4 4 , ▁the ▁K are li an ▁Ist hm us ▁with ▁V y borg ▁( V i ip uri )