Finnish campaign (1523)

Finnish campaign
Part of the Swedish War of Liberation

A map of Sweden and Finland in 1747
DateAugust–October 1523
Location
Result Swedish victory
Territorial
changes
Finland is conquered by the Swedes
Belligerents
Sweden
Commanders and leaders
Erik Fleming
Ivar Fleming
Vieregk
Nils Grabbe
Søren Norby
Rolef van Leveren
Junker Moritz 
Tile Giseler
Units involved
Unknown Kastelholm garrison
Åbo garrison
Viborg garrison
Strength
2,000 men
400 cavalry
c. 2,000 men
10 ships
Casualties and losses
Unknown Unknown

The Finnish Campaign was a successful campaign under Erik Fleming, Ivar Fleming, Nils Grabbe, and a certain Vieregk to liberate Finland from Danish control during the Swedish War of Liberation.