With the signing of the truce, Finland ceded new territory
and returned captured territory to the USSR.
was leased to the Soviets until 1994 for use as a naval base.
handover of Porkkala took place on 29th September 1944.
By the 1950s the strategic importance of Porkkala had gone,
so the USSR decided to
rescind the lease, returning the base to Finland
on 26th January 1956.