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Battle of Porlampi
Part of Continuation War
Гаубицы-пушки МЛ-20 152 мм.jpg
Soviet howitzers of the 101st howitzer artillery regiment captured at Porlampi.
Date 30 August 1941
Location Porlampi, Finland
Result Finnish victory
Flag of Finland.svg Finland Flag of the Soviet Union.svg Soviet Union
Commanders and leaders
Finland Paavo Talvela

Finland Karl Lennart Oesch

Soviet Union M. N. Gerasimov

Soviet Union Vladimir Kirpichnikov

Units involved
IV Corp 23rd Army
43,000 35,000
Casualties and losses
700 casualties, 2700 wounded 7000 casualties, 1000 wounded, 9000 prisoners

The Battle of Porlampi, also known as the Battle of Porlammi, was a military engagement fought between the Finnish Army and Red Army from 30 August to 1 September 1941 on the Karelian Isthmus.[1] The battle was fought near the town of Porlampi during the second month of the Continuation War.[2] The battle was a Finish victory and effectively ended the reconquest of Karelia.[3]


Winter WarEdit

Territorial disputes between the Soviet Union and Finland caused the outbreak of the Winter War in November 1939. Several months of fighting ensued, during which the Red Army was able to push back the Finnish defenders on the Karelian Isthmus. Located on the main road to the vital port of Vyborg, the town of Porlampi was occupied by the Soviets in March 1940 following the Battle of Summa.[4]

Following the end of the Winter War in March 1940, Finland was forced to cede the parts of Karelia to the Soviet Union, with Porlampi being one of the territories given over.[4][5]

Continuation WarEdit

On 22 June 1941 the German Wehrmacht launched Operation Barbarossa, the planned invasion of the Soviet Union. Prior to the commencement of Barbarossa, Finnish and German officers had planned for possible Finnish participation in the war against the Soviet Union. Finland mobilized 16 infantry divisions, one cavalry brigade, and two jäger brigades of the Finnish Army to the newly established border with the Soviets on 21 June, and on 22 June conducted Operation Kilpapurjehdus, an action that violated the Moscow Peace Treaty.[5] That same day, German naval bombers began mining the waters around Leningrad, with some of the aircraft being deployed from airfields in Finland.[6] On 25 June a flight of Soviet bombers struck at airfields in Finland, and Soviet artillery stationed in Hanko fired on Finnish targets.[7]

With the border situation growing more volatile, the Finnish Army prepared to enter the widening conflict. On 29 June Carl Gustaf Emil Mannerheim, Marshal of Finland, formed the Army of Karelia under the command of Erik Heinrichs. Combat operations against the Red Army and Air-force commenced on 1 July, and war was declared that same day. The first Finnish offensive into Ladoga Karelia began on 10 July, a move that split the zones of Soviet occupation in Karelia into separate fronts. Despite Finnish success in other areas, the Finnish IV Corp was unable to begin its assault on the Soviets until the Finish II Corp reached the northern shore of Lake Ladoga on 9 August.[3]

The objective of the IV Corp was the recapture of the town of Vyborg.[3] Plans were made to begin an offensive on 15 August, but movement by Soviet troops changed the situation. The Soviet 23rd Army withdrew some of it's divisions from the Finnish border, seeking to use the narrow part of the Karelian Isthmus to better utilize their numerical superiority for defense.[8] The Finns postponed their offensive until the Soviets had abandoned their fortifications, finally striking on 21 August. The Finnish plan had been modified as the situation changed; rather than assault Vyborg, the IV Corp would now maneuver around the northern flank of the city and pursue the withdrawing Soviets to the Vuoksi River.[3][9]

The main body of the Finnish IV Corp crossed the border to the north of Vyborg on 22 August, and continued to advance towards the Vuoksi River in the opening days of the offensive. On 24 August the Finnish 8th Division crossed Viipuri Bay, landing to the south of Vyborg and cutting the coastal road to the city.[10] Hoping to re-establish the road link to Vyborg, the Soviet 43rd, 115th and 123rd Rifle Divisions launched a counter-offensive directed at the Finnish 8th Division. Though heavily outnumbered, Finnish Light Brigade T stalled the Soviets for a few crucial hours while the IV Corp advanced southward on 25 August.[11] For the next few days both armies drew up their forces and prepared for an engagement in the heavily forested terrain around the town of Porlampi, which was positioned between the coastal and central Karelian highways.[3]


The battle commenced when advanced elements of the Soviet 43rd Rifle Division encountered the Finish 8th Division in the forests around Porlampi on 30 August.[12] Both sides called for reinforcements. The Soviets were unaware (or only partially aware)[8] that the Finnish soldiers they were fighting had crossed Viipuri Bay, and it was incorrectly assumed that the 8th Division was part of the main body of the IV Corp (the IV Corp was in fact advancing to the north and east of the Soviet divisions.)[12] In the several days of fighting that ensued in the Porlampi area, the Finns employed motti skirmishing tactics to counter the superior Soviet numbers. The Finnish artillery was reported to have been particularly effective during the engagement.[9] Late in the day on 30 August the 43rd Rifle Division pushed the 8th Division out of Porlampi and into the nearby village of Somme, which lay several miles to the northwest. There the fighting continued throughout the night. On the morning of 31 August the main body of the IV Corp arrived, attacking the 123rd Rifle Division at Porlampi and the 115th Rifle Division at Ylasomme, an action which collapsed the north flank of the Soviet army. The Soviets were forced back, and the Finnish forces made ready to encircle them. However, the 8th Division was still engaged in heavy fighting with the 43rd Rifle Division to the northwest of town and was unable to complete the encirclement. Using the heavily forested terrain to their advantage, the 123rd and 115th Rifle Divisions withdrew southwest towards Koivisto.[9][12] Vyborg fell on 31 August, freeing up more Finnish forces to engage the remaining forces of the 23rd Army. The 43rd Rifle Division, which had advanced furthest west, was almost completely destroyed by the Finish forces on 1 September. Some survivors retreated to the south and were evacuated from the Baltic coast by the Soviet Navy in November.[13]

The Red Army suffered 7000 killed, 1000 wounded and 9000 captured, predominantly from the destroyed 43rd Rifle Division. The Finnish IV Corp lost 700 killed and 2700 wounded.[1] The Fins captured a vast quantity of Soviet equipment at the battle, including 164 artillery pieces of various calibers.[9]

Полная дезорганизация и паралич

Soviet equipment abandoned after the encirclement at Porlampi.


Sommee-Porlammen taistelun muistomerkki

Stone monument commemorating the Battle of Porlampi.

The Finnish Army advanced towards Koivisto after the victory at Porlampi, capturing the port on 2 September. The Finnish Army declined a German proposal to attack Leningrad, and the offensive was ended on 5 September.[6][14]

A memorial dedicated to the casualties of the battle stands outside modern town, now known as Sveklovichnoye since 1948. The memorial consists of a boulder inscribed with the date and outcome of the battle.[1]


  1. 1.0 1.1 1.2 "Memorial Battle of Porlammi 1941 - Sveklovichnoye -" (in en). 
  2. "Karjalan kartat" (in en). 
  3. 3.0 3.1 3.2 3.3 3.4 Nenye (2016) p. 99-101
  4. 4.0 4.1 Trotter (2002), pp. 249-251
  5. 5.0 5.1 "The text of the Moscow Peace Treaty, 12 March 1940".'sEnd/moscow_peace_treaty.htm. 
  6. 6.0 6.1 1936-, Lunde, Henrik O. (Lunde, Henrik Olai), (2011-01-01). Finland's war of choice : the troubled German-Finnish coalition in WWII. Casemate. ISBN 9781612000374. OCLC 768970208. 
  7. Nenye (2016) p. 99-100
  8. 8.0 8.1 Lenskii, Ground forces of RKKA in the pre-war years: a reference (Сухопутные силы РККА в предвоенные годы. Справочник.) — St Petersburg, B & K, 2000
  9. 9.0 9.1 9.2 9.3 Juutilainen, pp. 237-239
  10. Nenye (2016) p. 100
  11. Nenye (2016) p. 100-101
  12. 12.0 12.1 12.2 Nenye (2016) p. 101-104
  13. Nenye (2016) p. 103-105
  14. Nenye (2016) p. 107


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