The Battle of Revolax (Finnish: Revonlahden taistelu) took place on 27 April 1808 at Revonlahti, (now part of Siikajoki) in Northern Ostrobothnia, Finland, when the Swedish supreme commander Wilhelm Mauritz Klingspor and the Savolax brigade under colonel Johan Adam Cronstedt, a total of about 2,250 Swedes surprised an isolated Russian column of about 1,800 men under Major General Michail Leontievich Bulatov.