Key Facts
- Start date
- 10 June 1944
- End date
- 9 August 1944
- Duration
- ~2 months
- Soviet fronts involved
- Leningrad Front and Karelian Front
- Key territory captured
- East Karelia and Vyborg (Viipuri)
Strategic Narrative Overview
The offensive opened on 10 June 1944 with the Viipuri operation, which captured Vyborg by 20 June. Simultaneously, amphibious landings at Koivisto and Tuloksa stretched Finnish defenses. The Svir–Petrozavodsk operation, launched on 21 June, drove the Karelian Front deep into East Karelia, recapturing Petrozavodsk. Finnish resistance stiffened by mid-July, and Soviet momentum slowed, causing the front to stabilize along new defensive lines.
01 / The Origins
By 1944 the Continuation War had settled into a prolonged stalemate on the Karelian Isthmus and East Karelia, where Finnish forces held territory gained after the Winter War. With Germany weakening on all fronts, the Soviet Union sought to knock Finland out of the war entirely by launching a large-scale strategic offensive, committing the Leningrad and Karelian Fronts along with Baltic Fleet and Ladoga Flotilla amphibious assets.
03 / The Outcome
Although Soviet forces secured both Vyborg and East Karelia, the offensive ended in stalemate rather than a decisive Finnish collapse. Finland retained its independence but was compelled to seek an armistice, which it concluded with the Soviet Union in September 1944. The Moscow Armistice required Finland to cede territory, pay reparations, and expel German forces from its soil.
Belligerents & Mobilization Analysis
Side A
1 belligerent
Side B
1 belligerent
Kinetic Engagement Axis
Scroll horizontally to view full axis. Events plotted relatively.