BAL364926 The Battle of Grengham on 27th July 1720 (oil on canvas) by Perrot, Ferdinand Victor (1808-41); State Central Navy Museum, St. Petersburg; (add.info.: The battle of Grengham took place in the Aland Islands in the Ledsund strait; It was the last major naval battle in the Great Northern War (1700-1721) in which a coaltion including Russia, Lithuania and Denmark-Norway, successfully contested Swedish supremacy in northern Central and Eastern Europe; It is known in Sweden as the battle of Ledsund;); French, out of copyright.