sentences:  While Svartholm did not really see any action in the Russo-Swedish War of 1788–1790 it did act as important staging ground and rallying point during several stages of the war.The fortress at Svartholm was still not ready in 1808, when the Finnish War erupted, and two third of the guns and mortars were available.It had however been noted already in the 1760s, that it was not possible to place as many guns on the fortress as would be required to repulse a big attack from the sea.