It participated in the Finnish invasion of Ladoga Karelia at the start of the war and defended against the 1944 Soviet Vyborg–Petrozavodsk offensive on the Karelian Isthmus where it suffered heavy casualties.
[6] It first fell back to the VT-line, where it held off Soviet attacks for four days before being ordered to retreat from those positions on the evening of 12 June.
[7] The division eventually took up positions on the VKT-line in the Äyräpää-Vuosalmi sector as part of the III Corps.
Actions in the sector quieted down, with both sides settling for trench warfare in mid-July.
[10] Nenye, Vesa; Munter, Peter; Wirtanen, Toni; Birks, Chris (2016).